CCRL 40/40
Downloads and Statistics
June 18, 2018
Testing summary:
Total: 849'893 games
played by 2'196 programs
118931 CPU days (X2 4600+)

White wins: 292'067 (34.4%)
Black wins: 216'114 (25.4%)
Draws: 341'712 (40.2%)
White score: 54.5%

Opening statistics

This page shows how many games in our database were played from various known openings. The table also shows average draw percentage and white score we observed in our games.

ECOOpeningNumber
of
games
DrawsWhite
score
Commented
PGN
B01Scandinavian, Anderssen counter-attack orthodox attack10.0%100.0%
B01Scandinavian, Anderssen counter-attack, Collijn variation10.0%100.0%
E23Nimzo-Indian, Spielmann, Staahlberg variation20.0%100.0%
C31KGD, Falkbeer, Morphy gambit10.0%100.0%
A04Reti, Herrstroem gambit20.0%100.0%
C27Vienna, `Frankenstein-Dracula' variation20.0%100.0%
C29Vienna gambit, Wurzburger trap20.0%100.0%
C44Scotch gambit, Hanneken variation10.0%100.0%
C55Two knights, Max Lange attack, Loman defence10.0%100.0%
C57Two knights defence, Fegatello attack, Polerio defence40.0%100.0%
A00Amsterdam attack10.0%100.0%
C46Three knights, Winawer defence (Gothic defence)10.0%100.0%
C80Ruy Lopez, open, Harksen gambit10.0%100.0%
A10English, Jaenisch gambit20.0%100.0%
B62Sicilian, Richter-Rauzer, Richter attack10.0%100.0%
C39KGA, Kieseritsky, Brentano defence10.0%100.0%
C51Evans gambit, Goering attack10.0%100.0%
C23Bishop's opening, Calabrese counter-gambit, Jaenisch variation30.0%100.0%
C51Evans gambit, Fraser attack20.0%100.0%
B00Fred20.0%100.0%
C39KGA, Kieseritsky, Brentano (Campbell) defence10.0%100.0%
C54Giuoco Piano, Moeller, bayonet attack10.0%100.0%
B40Sicilian, Marshall variation10.0%100.0%
C33KGA, Carrera (Basman) gambit10.0%100.0%
C52Evans gambit, Waller attack60.0%100.0%
C52Evans gambit, Sanders-Alapin variation20.0%100.0%
D40QGD, Semi-Tarrasch, Levenfish variation10.0%100.0%
C12French, MacCutcheon, Tartakower variation20.0%100.0%
C32KGD, Falkbeer, main line, 7...Bf5616.7%91.7%
D43QGD semi-Slav, Hastings variation520.0%90.0%
C67Ruy Lopez, Berlin defence, Trifunovic variation520.0%90.0%
D53QGD, Lasker variation425.0%87.5%
D18QGD Slav, Dutch, Lasker variation425.0%87.5%
B01Scandinavian, Kiel variation728.6%85.7%
C06French, Tarrasch, Leningrad variation1717.6%85.3%
C89Ruy Lopez, Marshall, Herman Steiner variation333.3%83.3%
C53Giuoco Piano, Mestel variation333.3%83.3%
C45Scotch, Paulsen attack333.3%83.3%
C43Petrov, Urusov gambit633.3%83.3%
C32KGD, Falkbeer, Keres variation333.3%83.3%
D08QGD, Albin counter-gambit, Balogh variation911.1%83.3%
C13French, classical, Frankfurt variation837.5%81.3%
C64Ruy Lopez, classical defence, Charousek variation540.0%80.0%
B40Sicilian, Pin, Koch variation4825.0%79.2%
A82Dutch, Balogh defence1428.6%78.6%
A61Benoni, fianchetto variation1414.3%78.6%
C00Lengfellner system922.2%77.8%
C30KGD, Norwalde variation2015.0%77.5%
B00Reversed Grob (Borg/Basman defence/macho Grob)2025.0%77.5%
D66QGD, Orthodox defence, Bd3 line, fianchetto variation1145.5%77.3%
A42Modern defence, Averbakh system, Randspringer variation119.1%77.3%
D41QGD, Semi-Tarrasch, San Sebastian variation2437.5%77.1%
C70Ruy Lopez, Alapin's defence deferred1533.3%76.7%
B00Barnes defence250.0%75.0%
A02Bird's opening, Swiss gambit250.0%75.0%
C83Ruy Lopez, open, Breslau variation250.0%75.0%
C42Petrov, classical attack, Tarrasch variation250.0%75.0%
B01Scandinavian defence, Gruenfeld variation40.0%75.0%
C23Bishop's opening, Wing gambit250.0%75.0%
C41Philidor, Hanham, Delmar variation450.0%75.0%
C60Ruy Lopez, Vinogradov variation250.0%75.0%
C00French, Alapin variation650.0%75.0%
C37KGA, Salvio gambit250.0%75.0%
C51Evans gambit450.0%75.0%
A81Dutch, Leningrad, Basman system450.0%75.0%
C13French, Albin-Alekhine-Chatard attack, Teichmann variation250.0%75.0%
B01Scandinavian, Richter variation450.0%75.0%
C52Evans gambit, compromised defence4420.5%73.9%
A74Benoni, classical, 9...a6, 10.a42142.9%73.8%
B40Sicilian, Pin variation (Sicilian counter-attack)1931.6%73.7%
C82Ruy Lopez, open, Berlin variation2429.2%72.9%
B04Alekhine's defence, modern, Keres variation4734.0%72.3%
C58Two knights defence, Paoli variation933.3%72.2%
D48QGD semi-Slav, Meran, Pirc variation955.6%72.2%
C70Ruy Lopez, Schliemann defence deferred2128.6%71.4%
E23Nimzo-Indian, Spielmann, San Remo variation757.1%71.4%
C41Philidor, Hanham, Schlechter variation2128.6%71.4%
C82Ruy Lopez, open, 9.c3728.6%71.4%
D97Gruenfeld, Russian, Levenfish variation1225.0%70.8%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc1735.3%70.6%
C60Ruy Lopez, Cozio defence, Paulsen variation3727.0%70.3%
C31KGD, Falkbeer, Rubinstein variation520.0%70.0%
A02Bird, Hobbs gambit560.0%70.0%
C45Scotch, Pulling counter-attack520.0%70.0%
C82Ruy Lopez, open, Motzko attack, Nenarokov variation1060.0%70.0%
C31KGD, Falkbeer, Nimzovich variation560.0%70.0%
D51QGD, Capablanca anti-Cambridge Springs variation1861.1%69.4%
C41Philidor, Larsen variation3622.2%69.4%
C51Evans gambit, Paulsen variation1827.8%69.4%
D65QGD, Orthodox defence, Rubinstein attack, main line1361.5%69.2%
C30KGD, Keene's defence2142.9%69.0%
C67Ruy Lopez, Berlin defence, Winawer attack2934.5%69.0%
A52Budapest, Alekhine variation1625.0%68.8%
C41Philidor, Philidor counter-gambit, Zukertort variation862.5%68.8%
C29Vienna gambit, Kaufmann variation837.5%68.8%
A09Reti accepted, Keres variation4032.5%68.8%
A04Reti, Lisitsin gambit deferred2429.2%68.8%
C30KGD, Mafia defence837.5%68.8%
C41Philidor, Nimzovich, Sokolsky variation862.5%68.8%
C13French, Albin-Alekhine-Chatard attack, Maroczy variation1625.0%68.8%
B03Alekhine's defence, four pawns attack, Trifunovic variation6735.8%68.7%
A75Benoni, classical with ...a6 and 10...Bg45527.3%68.2%
A77Benoni, classical, 9...Re8, 10.Nd213227.3%68.2%
E99King's Indian, orthodox, Aronin-Taimanov, Benko attack6124.6%68.0%
E54Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation2564.0%68.0%
B03Alekhine's defence, four pawns attack, 7.Be311736.8%67.9%
C41Philidor, Philidor counter-gambit1421.4%67.9%
C17French, Winawer, advance, Rauzer variation1421.4%67.9%
C40Gunderam defence7929.1%67.7%
A63Benoni, fianchetto, 9...Nbd78833.0%67.6%
E51Nimzo-Indian, 4.e3, Ragozin variation2339.1%67.4%
B74Sicilian, dragon, classical, Alekhine variation2347.8%67.4%
A56Czech Benoni, King's Indian system4916.3%67.3%
C36KGA, Abbazia defence (classical defence, modern defence[!])5238.5%67.3%
A56Czech Benoni defence30727.0%67.3%
C13French, Albin-Alekhine-Chatard attack, Spielmann variation6139.3%67.2%
D25QGA, Flohr variation7431.1%66.9%
C42Petrov, French attack966.7%66.7%
C49Four knights, Svenonius variation366.7%66.7%
C40QP counter-gambit, Maroczy gambit366.7%66.7%
C13French, classical, Vistaneckis (Nimzovich) variation90.0%66.7%
B13Caro-Kann, Panov-Botvinnik, Reifir (Spielmann) variation366.7%66.7%
B85Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6366.7%66.7%
D86Gruenfeld, exchange, Larsen variation30.0%66.7%
C44Scotch, Relfsson gambit ('MacLopez')666.7%66.7%
B15Caro-Kann, Gurgenidze counter-attack366.7%66.7%
A40Beefeater defence3627.8%66.7%
C41Philidor, Hanham, Steiner variation2138.1%66.7%
C41Philidor, Philidor counter-gambit, del Rio attack30.0%66.7%
E60King's Indian, Danube gambit666.7%66.7%
D44QGD semi-Slav, anti-Meran, Lilienthal variation16530.3%66.7%
C58Two knights defence, Blackburne variation30.0%66.7%
A59Benko gambit, main line11841.5%66.5%
A43Old Benoni, Mujannah formation3740.5%66.2%
C30KGD, 2...Nf63426.5%66.2%
C44Ponziani, Fraser defence5639.3%66.1%
C45Scotch, Horwitz attack2536.0%66.0%
C92Ruy Lopez, closed, Kholmov variation12230.3%66.0%
A42Modern defence, Averbakh system, Kotov variation11924.4%66.0%
B34Sicilian, accelerated fianchetto, exchange variation1947.4%65.8%
C82Ruy Lopez, open, St. Petersburg variation19141.4%65.7%
C96Ruy Lopez, closed, Keres (...Nd7) defence21137.4%65.6%
D16QGD Slav accepted, Alapin variation17738.4%65.5%
B56Sicilian, Venice attack5536.4%65.5%
C39KGA, Kieseritsky, Neumann defence1353.8%65.4%
C30KGD, classical, 4.c36532.3%65.4%
C41Philidor, Nimzovich, Rellstab variation3641.7%65.3%
B03Alekhine's defence, four pawns attack24631.3%65.2%
A97Dutch, Ilyin-Genevsky, Winter variation8637.2%65.1%
C82Ruy Lopez, open, Italian variation9350.5%65.1%
D26QGA, classical, Steinitz variation6056.7%65.0%
C03French, Tarrasch, Guimard variation7030.0%65.0%
B79Sicilian, dragon, Yugoslav attack, 12.h41030.0%65.0%
C80Ruy Lopez, open, Riga variation1050.0%65.0%
D67QGD, Orthodox defence, Bd3 line, 11.O-O4736.2%64.9%
E91King's Indian, 6.Be260833.7%64.7%
C96Ruy Lopez, closed (10...c5)64433.1%64.7%
B76Sicilian, dragon, Yugoslav attack, Rauser variation92633.4%64.6%
A25English, closed, Taimanov variation2412.5%64.6%
B01Scandinavian defence, Lasker variation11733.3%64.5%
A56Benoni defence, Hromodka system40324.6%64.4%
D51QGD, Manhattan variation1442.9%64.3%
E62King's Indian, fianchetto, Simagin variation8435.7%64.3%
C70Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation13338.3%64.3%
A51Budapest defence declined742.9%64.3%
D31QGD, Alapin variation742.9%64.3%
A86Dutch with c4 & g310537.1%64.3%
C47Four knights, Scotch, Krause variation3537.1%64.3%
B05Alekhine's defence, modern variation, 4...Bg461933.0%64.1%
C05French, Tarrasch, Botvinnik variation5733.3%64.0%
C67Ruy Lopez, Berlin defence, Rosenthal variation2548.0%64.0%
C37KGA, King's knight's gambit1861.1%63.9%
D46QGD semi-Slav, Romih variation17436.8%63.8%
A03Bird's opening, Williams gambit2937.9%63.8%
C92Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation32042.5%63.8%
A42Pterodactyl defence32036.9%63.8%
A89Dutch, Leningrad, main variation with Nc638136.0%63.6%
B64Sicilian, Richter-Rauzer, Rauzer attack, Geller variation1136.4%63.6%
C96Ruy Lopez, closed (8...Na5)2254.5%63.6%
A16English, Anglo-Gruenfeld, Czech defense17034.1%63.5%
C97Ruy Lopez, closed, Chigorin defence76930.6%63.5%
A76Benoni, classical, 9...Re810041.0%63.5%
D07QGD, Chigorin defence, Janowski variation9334.4%63.4%
A59Benko gambit4143.9%63.4%
E40Nimzo-Indian, 4.e3, Taimanov variation9736.1%63.4%
C13French, Albin-Alekhine-Chatard attack, Breyer variation8638.4%63.4%
C17French, Winawer, advance, 5.a339032.8%63.3%
C40QP counter-gambit (elephant gambit)1560.0%63.3%
D83Gruenfeld, Gruenfeld gambit, Botvinnik variation1573.3%63.3%
C00St. George defence12449.2%63.3%
A67Benoni, Taimanov variation23426.5%63.2%
C48Four knights, Ranken variation1952.6%63.2%
C18French, Winawer, advance variation48726.1%63.1%
B42Sicilian, Kan, Gipslis variation8038.8%63.1%
D51QGD2365.2%63.0%
D60QGD, Orthodox defence, Rauzer variation4643.5%63.0%
C88Ruy Lopez, closed, 8.c32737.0%63.0%
C80Ruy Lopez, open, Bernstein variation89448.2%62.9%
C89Ruy Lopez, Marshall, main line, 12.d2d421342.3%62.9%
A52Budapest, Alekhine, Abonyi variation6229.0%62.9%
A92Dutch defence, Alekhine variation3540.0%62.9%
B05Alekhine's defence, modern, Flohr variation14037.1%62.9%
D16QGD Slav, Steiner variation22637.2%62.8%
C60Ruy Lopez (Spanish opening)3923.1%62.8%
C34KGA, Schallop defence3933.3%62.8%
B33Sicilian, Pelikan, Bird variation23437.6%62.8%
D46QGD semi-Slav, 6.Bd33938.5%62.8%
A51Budapest, Fajarowicz variation5933.9%62.7%
C99Ruy Lopez, closed, Chigorin, 12...c5d490940.3%62.7%
C55Two knights, Max Lange attack, Marshall variation825.0%62.5%
E36Nimzo-Indian, classical, Botvinnik variation1241.7%62.5%
D20QGA, Linares variation8434.5%62.5%
A86Dutch, Hort-Antoshin system475.0%62.5%
C37KGA, Muzio gambit, Brentano defence425.0%62.5%
C52Evans gambit, compromised defence, Paulsen variation1625.0%62.5%
C55Two knights, Max Lange attack, Steinitz variation1241.7%62.5%
B77Sicilian, dragon, Yugoslav attack, Byrne variation475.0%62.5%
C49Four knights, symmetrical, Blake variation475.0%62.5%
A00Global opening425.0%62.5%
D50QGD, Canal (Venice) variation425.0%62.5%
C58Two knights defence, Kieseritsky variation850.0%62.5%
A58Benko gambit, Nd2 variation1241.7%62.5%
A60Benoni defence14425.0%62.5%
A46Queen's pawn, Torre attack, Wagner gambit825.0%62.5%
C33KGA, bishop's gambit, Lopez-Gianutio counter-gambit425.0%62.5%
E37Nimzo-Indian, classical, Noa variation, main line, 7.Qc237246.0%62.5%
A00Grob, Romford counter-gambit425.0%62.5%
E21Nimzo-Indian, three knights, Euwe variation475.0%62.5%
C60Ruy Lopez, Lucena defence425.0%62.5%
D49QGD semi-Slav, Meran, Rellstab attack1637.5%62.5%
A01Nimzovich-Larsen attack, Polish variation425.0%62.5%
B00KP, Colorado counter425.0%62.5%
C31KGD, Falkbeer, 4.d32055.0%62.5%
C44Scotch gambit5236.5%62.5%
C43Petrov, modern attack, Bardeleben variation425.0%62.5%
C12French, MacCutcheon, Duras variation425.0%62.5%
E62King's Indian, fianchetto, Larsen system29040.7%62.4%
B82Sicilian, Scheveningen, Tal variation11735.9%62.4%
C19French, Winawer, advance, poisoned pawn, Konstantinopolsky variation66331.2%62.4%
D87Gruenfeld, exchange, Seville variation7754.5%62.3%
D32QGD, Tarrasch, von Hennig-Schara gambit6943.5%62.3%
A99Dutch, Ilyin-Genevsky variation with b313438.1%62.3%
D63QGD, Orthodox defence, Swiss (Henneberger) variation9443.6%62.2%
D97Gruenfeld, Russian variation with e43732.4%62.2%
E69King's Indian, fianchetto, classical main line44533.5%62.1%
B06Robatsch defence, Gurgenidze variation5837.9%62.1%
B03Alekhine's defence10833.3%62.0%
A61Benoni defence50332.2%62.0%
C53Giuoco Piano, centre-holding variation5036.0%62.0%
C49Four knights, double Ruy Lopez8846.6%61.9%
E15Queen's Indian, Buerger variation4238.1%61.9%
C20Alapin's opening2128.6%61.9%
A12English, Bled variation1741.2%61.8%
A72Benoni, classical without 9.O-O6445.3%61.7%
A93Dutch, stonewall, Botwinnik variation12035.0%61.7%
D08QGD, Albin counter-gambit, Alapin variation3050.0%61.7%
B00Owen defence30034.0%61.7%
D81Gruenfeld, Russian variation40443.6%61.6%
C67Ruy Lopez, Berlin defence, Minckwitz variation4348.8%61.6%
D06QGD, Grau (Sahovic) defence12536.8%61.6%
C98Ruy Lopez, closed, Chigorin, 12...Nc613831.9%61.6%
A90Dutch defence, Dutch-Indian (Nimzo-Dutch) variation21235.4%61.6%
A44Old Benoni defence2638.5%61.5%
C41Philidor, Hanham variation3935.9%61.5%
B16Caro-Kann, Bronstein-Larsen variation48332.3%61.5%
E90King's Indian, Larsen variation9238.0%61.4%
C49Four knights, symmetrical, Capablanca variation2259.1%61.4%
E09Catalan, closed, main line23033.9%61.3%
C19French, Winawer, advance, Smyslov variation15525.8%61.3%
E62King's Indian, fianchetto, lesser Simagin (Spassky) variation30636.3%61.3%
B00St. George (Baker) defence4037.5%61.3%
B42Sicilian, Kan, Swiss cheese variation26735.6%61.2%
A78Benoni, classical with ...Re8 and ...Na64936.7%61.2%
B61Sicilian, Richter-Rauzer, Larsen variation, 7.Qd242438.9%61.2%
B09Pirc, Austrian attack18340.4%61.2%
E08Catalan, closed, 7.Qc29439.4%61.2%
C19French, Winawer, advance, poisoned pawn variation257333.4%61.1%
D83Gruenfeld, Gruenfeld gambit2748.1%61.1%
B03Alekhine's defence, Balogh variation1833.3%61.1%
D95Gruenfeld with e3 & Qb31844.4%61.1%
A41Old Indian, Tartakower (Wade) variation101134.5%61.1%
C40Latvian counter-gambit8631.4%61.0%
B27Sicilian, Katalimov variation13644.1%61.0%
C82Ruy Lopez, open, Dilworth variation16041.9%60.9%
D28QGA, classical, 7.Qe26450.0%60.9%
A90Dutch-Indian, Alekhine variation5538.2%60.9%
B04Alekhine's defence, modern variation24835.5%60.9%
A90Dutch defence102939.0%60.9%
D88Gruenfeld, Spassky variation, main line, 10...cd, 11.cd20841.8%60.8%
E60Queen's pawn, Mengarini attack3735.1%60.8%
C83Ruy Lopez, open, classical defence18147.5%60.8%
C30King's gambit12142.1%60.7%
B06Robatsch defence, three pawns attack14928.9%60.7%
E98King's Indian, orthodox, Aronin-Taimanov, 9.Ne186726.4%60.7%
C79Ruy Lopez, Steinitz defence deferred, Rubinstein variation1435.7%60.7%
A58Benko gambit, fianchetto variation15444.8%60.7%
D33QGD, Tarrasch, Folkestone (Swedish) variation5650.0%60.7%
C12French, MacCutcheon, Dr. Olland (Dutch) variation8433.3%60.7%
A40Queen's pawn, English defence20142.8%60.7%
B04Alekhine's defence, modern, Schmid variation15038.7%60.7%
B60Sicilian, Richter-Rauzer, Bondarevsky variation3354.5%60.6%
B12Caro-Kann, 3.Nd217040.0%60.6%
D17QGD Slav, Carlsbad variation47936.7%60.5%
A17English, Queens Indian formation24236.8%60.5%
C45Scotch, Romanishin variation5743.9%60.5%
E75King's Indian, Averbakh, main line7623.7%60.5%
B07Pirc, Holmov system3847.4%60.5%
D72Neo-Gruenfeld, 5.cd, main line19533.8%60.5%
E62King's Indian, fianchetto, Kavalek (Bronstein) variation56633.0%60.5%
B69Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf68132.1%60.5%
C05French, Tarrasch, closed variation113031.4%60.5%
A17English, Queens Indian, Romanishin variation6227.4%60.5%
B27Sicilian, Quinteros variation4337.2%60.5%
B98Sicilian, Najdorf, Browne variation4327.9%60.5%
B06Robatsch defence, Two knights variation33633.9%60.4%
B07Pirc, 150 attack24037.5%60.4%
B10Caro-Kann, anti-Caro-Kann defence55732.9%60.4%
E64King's Indian, fianchetto, Yugoslav system10137.6%60.4%
B00KP, Nimzovich defence, Bogolyubov variation11629.3%60.3%
A79Benoni, classical, 11.f35831.0%60.3%
D18QGD Slav, Dutch variation28140.9%60.3%
D98Gruenfeld, Russian, Smyslov variation25741.2%60.3%
C70Ruy Lopez, Classical defence deferred9744.3%60.3%
C41Philidor's defence26736.7%60.3%
B36Sicilian, accelerated fianchetto, Gurgenidze variation27244.1%60.3%
B32Sicilian, Flohr variation23433.3%60.3%
A52Budapest, Rubinstein variation37141.2%60.2%
E60King's Indian, Anti-Gruenfeld5431.5%60.2%
B04Alekhine's defence, modern, Larsen variation82542.7%60.1%
E38Nimzo-Indian, classical, 4...c560837.7%60.1%
C50King's pawn game22435.3%60.0%
B01Scandinavian, Marshall variation56445.2%60.0%
D08QGD, Albin counter-gambit, Lasker trap50.0%60.0%
A66Benoni, pawn storm variation540.0%60.0%
C10French, Frere (Becker) variation2540.0%60.0%
C80Ruy Lopez, open, Friess attack1020.0%60.0%
B71Sicilian, dragon, Levenfish; Flohr variation1040.0%60.0%
E89King's Indian, Saemisch, orthodox main line3033.3%60.0%
C81Ruy Lopez, open, Howell attack, Ekstroem variation1040.0%60.0%
E37Nimzo-Indian, classical, San Remo variation50.0%60.0%
C37KGA, Salvio gambit, Anderssen counter-attack50.0%60.0%
C49Four knights, Janowski variation1540.0%60.0%
E94King's Indian, orthodox, Donner variation20035.0%60.0%
B05Alekhine's defence, modern, Panov variation1526.7%60.0%
D94Gruenfeld, Flohr defence2050.0%60.0%
D34QGD, Tarrasch, Reti variation3060.0%60.0%
C67Ruy Lopez, Berlin defence, Zukertort variation1553.3%60.0%
E99King's Indian, orthodox, Aronin-Taimanov, main line2532.0%60.0%
A00Ware (Meadow Hay) opening540.0%60.0%
C43Petrov, modern (Steinitz) attack3545.7%60.0%
A56Benoni defence64533.3%59.9%
C87Ruy Lopez, closed, Averbach variation26440.9%59.8%
C17French, Winawer, advance variation5641.1%59.8%
C06French, Tarrasch, closed variation, main line100637.5%59.8%
E68King's Indian, fianchetto, classical variation, 8.e4125838.7%59.7%
D52QGD, Cambridge Springs defence, Capablanca variation3636.1%59.7%
A21English, Smyslov defence3630.6%59.7%
E33Nimzo-Indian, classical, 4...Nc610347.6%59.7%
B09Pirc, Austrian attack, 6.Bd3115639.4%59.7%
E94King's Indian, orthodox, 7...Nbd792134.4%59.7%
B10Caro-Kann, Two knights variation37837.3%59.7%
A73Benoni, classical, 9.O-O5728.1%59.6%
C80Ruy Lopez, open (Tarrasch) defence5745.6%59.6%
A28English, four knights, Stean variation8342.2%59.6%
A96Dutch, classical variation24437.3%59.6%
A40Queen's pawn, Charlick (Englund) gambit2642.3%59.6%
A92Dutch defence7347.9%59.6%
B03Alekhine's defence, four pawns attack, fianchetto variation12032.5%59.6%
E96King's Indian, orthodox, 7...Nbd7, main line4738.3%59.6%
C04French, Tarrasch, Guimard main line35030.0%59.6%
E71King's Indian, Makagonov system (5.h3)75835.0%59.6%
B81Sicilian, Scheveningen, Keres attack221834.4%59.6%
B44Sicilian, Szen variation, Dely-Kasparov gambit2161.9%59.5%
C00French, Wing gambit4242.9%59.5%
C12French, MacCutcheon, Bernstein variation2123.8%59.5%
A70Benoni, classical with e4 and Nf359039.7%59.5%
B01Scandinavian defence103840.6%59.5%
C25Vienna game27437.2%59.5%
E76King's Indian, Four pawns attack22838.2%59.4%
B60Sicilian, Richter-Rauzer, Larsen variation15430.5%59.4%
D66QGD, Orthodox defence, Bd3 line25047.6%59.4%
D11QGD Slav, Breyer variation13345.1%59.4%
C12French, MacCutcheon, Lasker variation, 8...g637835.7%59.4%
E15Queen's Indian, Rubinstein variation13936.7%59.4%
D63QGD, Orthodox defence10747.7%59.3%
B07Pirc, Ufimtsev-Pytel variation40339.2%59.3%
A20English, Nimzovich variation7038.6%59.3%
D15QGD Slav, Schlechter variation29143.0%59.3%
D97Gruenfeld, Russian, Byrne (Simagin) variation12437.9%59.3%
C12French, MacCutcheon, Lasker variation20527.8%59.3%
A58Benko gambit accepted71133.8%59.2%
B00KP, Nimzovich defence55532.6%59.2%
C42Petrov, classical attack, close variation14246.5%59.2%
B32Sicilian, Labourdonnais-Loewenthal variation23540.9%59.1%
C25Vienna, Pierce gambit1145.5%59.1%
D86Gruenfeld, exchange, Simagin's lesser variation5541.8%59.1%
C44Inverted Hungarian2245.5%59.1%
B12de Bruycker defence119.1%59.1%
C51Evans gambit, 5...Be74436.4%59.1%
C10French, Paulsen variation70132.8%59.1%
D15QGD Slav, Suechting variation14430.6%59.0%
A44Semi-Benoni (`blockade variation')14427.8%59.0%
B29Sicilian, Nimzovich-Rubinstein variation78842.1%59.0%
C82Ruy Lopez, open, Motzko attack6746.3%59.0%
E33Nimzo-Indian, classical, Milner-Barry (Zurich) variation31341.2%58.9%
A43Old Benoni, Franco-Benoni defence12339.8%58.9%
C44Ponziani, Reti variation2832.1%58.9%
D16QGD Slav, Smyslov variation7332.9%58.9%
D52QGD14641.1%58.9%
E80King's Indian, Saemisch variation36633.6%58.9%
C41Philidor, exchange variation75537.7%58.9%
B08Pirc, classical, h3 system41337.3%58.8%
C70Ruy Lopez, Caro variation8542.4%58.8%
E40Nimzo-Indian, 4.e314230.3%58.8%
D97Gruenfeld, Russian, Szabo (Boleslavsky) variation22843.0%58.8%
A04Reti v Dutch106434.8%58.7%
C66Ruy Lopez, Berlin defence, hedgehog variation10351.5%58.7%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc310951.4%58.7%
A18English, Mikenas-Carls, Flohr variation33940.1%58.7%
C25Vienna, Paulsen variation9232.6%58.7%
A80Dutch, Manhattan (Alapin, Ulvestad) variation2339.1%58.7%
C53Giuoco Piano, close variation4639.1%58.7%
B62Sicilian, Richter-Rauzer, 6...e64639.1%58.7%
A95Dutch, stonewall with Nc323630.9%58.7%
E16Queen's Indian, Yates variation38037.4%58.7%
A42Modern defence, Averbakh system43832.9%58.7%
E17Queen's Indian, old main line, 6.O-O96342.2%58.7%
A02Bird, From gambit, Lasker variation2955.2%58.6%
E10Dzindzikhashvili defence8752.9%58.6%
D30QGD, Capablanca variation3531.4%58.6%
B08Pirc, classical (two knights) system60137.3%58.6%
C61Ruy Lopez, Bird's defence21641.2%58.6%
D06QGD, Marshall defence15843.7%58.5%
B60Sicilian, Richter-Rauzer70335.7%58.5%
C65Ruy Lopez, Berlin defence, 4.O-O18241.2%58.5%
D06QGD, symmetrical (Austrian) defence4748.9%58.5%
C43Petrov, modern attack, main line20047.0%58.5%
A61Benoni, Nimzovich (knight's tour) variation37128.0%58.5%
C67Ruy Lopez, Berlin defence, Cordel variation5935.6%58.5%
C26Vienna, Falkbeer variation5945.8%58.5%
B06Robatsch defence, Two knights, Suttles variation101038.1%58.5%
E92King's Indian, Gligoric-Taimanov system148934.3%58.5%
A68Benoni, four pawns attack7733.8%58.4%
D25QGA, Smyslov variation9553.7%58.4%
E10Blumenfeld counter-gambit, Spielmann variation10133.7%58.4%
E02Catalan, open, 5.Qa414945.6%58.4%
A84Dutch defence, Rubinstein variation29835.6%58.4%
A55Old Indian, main line43038.1%58.4%
E62King's Indian, fianchetto, Uhlmann (Szabo) variation29333.4%58.4%
B09Pirc, Austrian attack, 6.Be331131.8%58.4%
A81Dutch, Leningrad, Karlsbad variation650.0%58.3%
C61Ruy Lopez, Bird's defence, Paulsen variation650.0%58.3%
D08QGD, Albin counter-gambit, Janowski variation650.0%58.3%
C22Centre game, Charousek variation650.0%58.3%
C49Four knights, Nimzovich (Paulsen) variation5457.4%58.3%
D68QGD, Orthodox defence, classical, 13.d1c2 (Vidmar)4854.2%58.3%
C44Konstantinopolsky opening1250.0%58.3%
C00French, Reversed Philidor formation1233.3%58.3%
E19Queen's Indian, old main line, 9.Qxc3137446.4%58.3%
C51Evans counter-gambit650.0%58.3%
C14French, classical, Stahlberg variation650.0%58.3%
D40QGD, Semi-Tarrasch defence, Pillsbury variation3036.7%58.3%
A92Dutch, stonewall variation8447.6%58.3%
C51Evans gambit declined3023.3%58.3%
B09Pirc, Austrian attack, dragon formation77638.8%58.3%
B39Sicilian, accelerated fianchetto, Breyer variation63940.8%58.3%
C42Petrov, classical attack, Jaenisch variation166445.6%58.3%
E70King's Indian, 4.e497133.2%58.3%
A86Dutch, Leningrad variation18133.7%58.3%
B49Sicilian, Taimanov variation65244.5%58.3%
D17QGD Slav, Krause attack71339.1%58.3%
E97King's Indian, orthodox, Aronin-Taimanov, bayonet attack127335.3%58.2%
A41Modern defence8531.8%58.2%
D99Gruenfeld defence, Smyslov, main line17041.2%58.2%
B01Scandinavian, Pytel-Wade variation272643.8%58.2%
A43Old Benoni defence155335.1%58.2%
D26QGA, classical variation, 6.O-O15947.2%58.2%
B42Sicilian, Kan, 5.Bd3189237.7%58.2%
D44QGD semi-Slav, anti-Meran gambit76634.9%58.2%
C14French, classical, Steinitz variation74235.4%58.2%
A57Benko gambit half accepted82839.5%58.2%
B06Robatsch defence70935.8%58.1%
E73King's Indian, 5.Be23735.1%58.1%
C14French, classical, Rubinstein variation3735.1%58.1%
E70King's Indian, Kramer system35832.4%58.1%
B15Caro-Kann, Gurgenidze system32138.3%58.1%
C18French, Winawer, classical variation33533.1%58.1%
D55QGD, Neo-orthodox variation, 7.Bh413744.5%58.0%
A43Old Benoni, Schmid's system2520.0%58.0%
D63QGD, Orthodox defence, Pillsbury attack2552.0%58.0%
B36Sicilian, accelerated fianchetto, Maroczy bind95144.9%58.0%
A16English, Anglo-Gruenfeld defense, Korchnoi variation8836.4%58.0%
A12English, Torre defensive system4438.6%58.0%
B41Sicilian, Kan, Maroczy bind (Reti variation)47835.6%57.9%
A88Dutch, Leningrad, main variation with c688939.6%57.9%
A32English, symmetrical variation40543.2%57.9%
B75Sicilian, dragon, Yugoslav attack32331.0%57.9%
E77King's Indian, Four pawns attack11431.6%57.9%
A50Queen's Indian accelerated20347.8%57.9%
C93Ruy Lopez, closed, Smyslov defence16540.6%57.9%
B03Alekhine's defence, exchange variation66039.7%57.9%
C44Ponziani counter-gambit10843.5%57.9%
C63Ruy Lopez, Schliemann defence33843.5%57.8%
E87King's Indian, Saemisch, orthodox, 7.d528126.7%57.8%
C91Ruy Lopez, closed, 9.d4121939.0%57.8%
B02Alekhine's defence, Maroczy variation9035.6%57.8%
D94Gruenfeld, Smyslov defence16146.0%57.8%
B23Sicilian, chameleon variation62634.3%57.7%
B54Sicilian, Prins (Moscow) variation44638.3%57.7%
C21Centre game16243.8%57.7%
A22English, Bellon gambit1338.5%57.7%
C01French, exchange, Svenonius variation3938.5%57.7%
C21Danish gambit, Soerensen defence3959.0%57.7%
D33QGD, Tarrasch, Wagner variation1338.5%57.7%
D63QGD, Orthodox defence, 7.Rc122837.3%57.7%
B38Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3107843.9%57.7%
D55QGD, 6.Nf313135.9%57.6%
C42Petrov, classical attack, Mason variation11842.4%57.6%
A54Old Indian, Ukrainian variation11845.8%57.6%
E88King's Indian, Saemisch, orthodox, 7.d5 c632831.7%57.6%
A18English, Mikenas-Carls variation18438.0%57.6%
B58Sicilian, Boleslavsky, Louma variation4637.0%57.6%
E60King's Indian, 3.Nf3284139.5%57.6%
C19French, Winawer, advance, positional main line105931.0%57.6%
C71Ruy Lopez, modern Steinitz defence, Duras (Keres) variation12543.2%57.6%
E11Bogo-Indian defence, Nimzovich variation148938.8%57.6%
E26Nimzo-Indian, Saemisch variation8640.7%57.6%
C12French, MacCutcheon, Janowski variation13937.4%57.6%
A94Dutch, stonewall with Ba35350.9%57.5%
B98Sicilian, Najdorf variation33230.1%57.5%
D94Gruenfeld, 5.e342544.5%57.5%
D76Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb653843.7%57.5%
D34QGD, Tarrasch, Prague variation, 9.Bg554547.5%57.5%
D83Gruenfeld, Gruenfeld gambit, Capablanca variation26642.9%57.5%
E90King's Indian, Zinnowitz variation4045.0%57.5%
C96Ruy Lopez, closed, Borisenko defence4040.0%57.5%
B52Sicilian, Canal-Sokolsky attack, Bronstein gambit20040.0%57.5%
C95Ruy Lopez, closed, Breyer, Simagin variation2035.0%57.5%
D25QGA, Janowsky-Larsen variation36739.8%57.5%
C65Ruy Lopez, Berlin defence, Beverwijk variation51437.2%57.5%
D08QGD, Albin counter-gambit16741.9%57.5%
D25QGA, 4.e312739.4%57.5%
D21QGA, 3.Nf328140.9%57.5%
B27Sicilian, Hungarian variation340740.7%57.5%
C16French, Winawer, advance variation81034.3%57.4%
C19French, Winawer, advance, 6...Ne735136.8%57.4%
C72Ruy Lopez, modern Steinitz defence, 5.O-O46644.8%57.4%
B07Robatsch defence, Geller's system60837.2%57.4%
B63Sicilian, Richter-Rauzer, Rauzer attack14936.9%57.4%
C94Ruy Lopez, closed, Breyer defence6139.3%57.4%
B40Sicilian, Anderssen variation80340.2%57.3%
D19QGD Slav, Dutch variation133539.2%57.3%
B08Pirc, classical system, 5.Be2235538.2%57.3%
B12Caro-Kann, Edinburgh variation4146.3%57.3%
C11French, Steinitz, Boleslavsky variation342735.6%57.3%
B07Pirc, Byrne variation38432.8%57.3%
B13Caro-Kann, Panov-Botvinnik, normal variation9652.1%57.3%
C02French, advance, Wade variation34339.4%57.3%
E82King's Indian, Saemisch, double fianchetto variation11034.5%57.3%
B82Sicilian, Scheveningen, 6.f450332.6%57.3%
E90King's Indian, 5.Nf386433.0%57.2%
B04Alekhine's defence, modern, fianchetto variation70634.3%57.2%
D41QGD, Semi-Tarrasch with e318046.7%57.2%
C10French, Fort Knox variation60340.1%57.2%
B33Sicilian, Pelikan, Chelyabinsk variation210936.0%57.2%
B73Sicilian, dragon, classical, Richter variation11145.9%57.2%
C00French defence58334.8%57.2%
B00King's pawn opening154536.7%57.2%
E10Blumenfeld counter-gambit, Dus-Chotimursky variation17435.1%57.2%
A54Old Indian, Ukrainian variation, 4.Nf323037.0%57.2%
C42Petrov three knights game26538.1%57.2%
E79King's Indian, Four pawns attack, main line1442.9%57.1%
D02Queen's pawn game, Chigorin variation42740.3%57.1%
C41Philidor, Nimzovich, Klein variation785.7%57.1%
D05Queen's pawn game, Zukertort variation2857.1%57.1%
B21Sicilian, Andreaschek gambit1442.9%57.1%
E08Catalan, closed, Spassky gambit728.6%57.1%
E78King's Indian, Four pawns attack, with Be2 and Nf32147.6%57.1%
D41QGD, Semi-Tarrasch, 5.cd62448.2%57.1%
E63King's Indian, fianchetto, Panno variation217337.8%57.1%
C44Scotch, Goering gambit19044.7%57.1%
A14English, Symmetrical, Keres defence52947.6%57.1%
C42Petrov, classical attack, Marshall variation96743.4%57.1%
B01Scandinavian (centre counter) defence260441.6%57.1%
A13English, Kurajica defence7834.6%57.1%
A40Modern defence100037.3%57.0%
E83King's Indian, Saemisch, Panno formation22741.0%57.0%
C42Petrov, classical attack, Chigorin variation57541.0%57.0%
B28Sicilian, O'Kelly variation40539.5%57.0%
D97Gruenfeld, Russian, Prins variation44943.7%57.0%
A39English, symmetrical, main line with d443541.4%57.0%
B68Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be710729.9%57.0%
D17QGD Slav, Wiesbaden variation63542.2%57.0%
D07QGD, Chigorin defence77135.9%57.0%
A84Dutch defence58039.1%57.0%
C41Philidor, Improved Hanham variation102038.6%57.0%
E18Queen's Indian, old main line, 7.Nc3164643.3%57.0%
A49King's Indian, fianchetto without c4118639.7%57.0%
E67King's Indian, fianchetto with ...Nd710136.6%56.9%
E66King's Indian, fianchetto, Yugoslav Panno31834.6%56.9%
E72King's Indian with e4 & g35834.5%56.9%
B09Pirc, Austrian attack, 6.e58744.8%56.9%
C03French, Tarrasch220744.3%56.9%
E16Queen's Indian, Capablanca variation42342.3%56.9%
C64Ruy Lopez, Cordel gambit7342.5%56.8%
E46Nimzo-Indian, 4.e3 O-O7334.2%56.8%
A53Old Indian defence102839.1%56.8%
D74Neo-Gruenfeld, 6.cd Nxd5, 7.O-O22143.9%56.8%
C09French, Tarrasch, open variation, main line108349.5%56.8%
C42Petrov, classical attack78947.4%56.8%
D64QGD, Orthodox defence, Rubinstein attack (with Rc1)9644.8%56.8%
C90Ruy Lopez, closed, Lutikov variation3748.6%56.8%
C77Ruy Lopez, Morphy defence, Duras variation5240.4%56.7%
D92Gruenfeld, 5.Bf468144.6%56.7%
A47Queen's Indian, Marienbad system, Berg variation1560.0%56.7%
C47Four knights, Scotch variation1520.0%56.7%
D71Neo-Gruenfeld, 5.cd30147.5%56.6%
B19Caro-Kann, classical, Spassky variation269039.7%56.6%
A71Benoni, classical, 8.Bg59829.6%56.6%
E49Nimzo-Indian, 4.e3, Botvinnik system20444.6%56.6%
C48Four knights, Spanish variation24250.4%56.6%
D09QGD, Albin counter-gambit, 5.g314443.8%56.6%
A81Dutch defence332437.8%56.6%
C63Ruy Lopez, Schliemann defence, Berger variation38843.0%56.6%
D19QGD Slav, Dutch variation, main line22140.7%56.6%
C66Ruy Lopez, closed Berlin defence, Wolf variation6157.4%56.6%
C25Vienna gambit4630.4%56.5%
A40Queen's pawn, Lundin (Kevitz-Mikenas) defence16929.0%56.5%
B45Sicilian, Taimanov variation195238.1%56.5%
D44QGD semi-Slav, Botvinnik system (anti-Meran)7737.7%56.5%
C90Ruy Lopez, closed, Suetin variation7735.1%56.5%
B32Sicilian, Labourdonnais-Loewenthal (Kalashnikov) variation121740.0%56.5%
B96Sicilian, Najdorf, Polugayevsky, Simagin variation3122.6%56.5%
B07Pirc, bayonet (Mariotti) attack3154.8%56.5%
D85Gruenfeld, exchange variation297747.8%56.4%
E15Queen's Indian, Nimzovich variation (exaggerated fianchetto)1473540.6%56.4%
C95Ruy Lopez, closed, Breyer, Borisenko variation73740.2%56.4%
D20QGA, 3.e4295839.7%56.4%
A65Benoni, 6.e433528.1%56.4%
C58Two knights defence19535.9%56.4%
D62QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)15650.0%56.4%
B43Sicilian, Kan, 5.Nc3295838.7%56.4%
E29Nimzo-Indian, Saemisch, main line8638.4%56.4%
E00Queen's pawn game42441.0%56.4%
A13English, Romanishin gambit26740.8%56.4%
C66Ruy Lopez, closed Berlin defence, Showalter variation5547.3%56.4%
C64Ruy Lopez, classical defence, Benelux variation 40139.9%56.4%
D24QGA, Bogolyubov variation15848.1%56.3%
C92Ruy Lopez, closed, Flohr-Zaitsev system (Lenzerheide variation)188138.6%56.3%
D46QGD semi-Slav, Bogolyubov variation16642.8%56.3%
B06Robatsch (modern) defence608536.2%56.3%
E45Nimzo-Indian, 4.e3, Bronstein (Byrne) variation22349.8%56.3%
D48QGD semi-Slav, Meran, Reynolds' variation75739.9%56.3%
B11Caro-Kann, Two knights, 3...Bg489439.8%56.3%
A40Queen's pawn, Franco-Indian (Keres) defence113438.8%56.3%
B12Caro-Kann, advance variation1024638.1%56.3%
B30Sicilian, Nimzovich-Rossolimo attack (without ...d6)455138.2%56.3%
D15QGD Slav, Slav gambit2420.8%56.3%
C86Ruy Lopez, Worrall attack2454.2%56.3%
C57Two knights defence, Wilkes Barre (Traxler) variation5637.5%56.3%
B00Lemming defence837.5%56.3%
D68QGD, Orthodox defence, classical variation7248.6%56.3%
B74Sicilian, dragon, classical, Spielmann variation837.5%56.3%
C83Ruy Lopez, open, Malkin variation1662.5%56.3%
C31KGD, Falkbeer, 3...e4862.5%56.3%
C44Scotch, Lolli variation1637.5%56.3%
C77Ruy Lopez, Morphy defence20839.4%56.3%
E10Doery defence2445.8%56.3%
C55Two knights defence (Modern bishop's opening)135338.4%56.2%
A13English, Neo-Catalan accepted113945.9%56.2%
D28QGA, classical, 7...b520151.7%56.2%
B48Sicilian, Taimanov variation329137.1%56.2%
A40Queen's pawn, Keres defence179543.8%56.2%
D45QGD semi-Slav, 5.e341140.4%56.2%
A57Benko gambit68735.8%56.2%
D34QGD, Tarrasch, Prague variation, 7...Be717842.7%56.2%
C11French defence16239.5%56.2%
C16French, Winawer, Petrosian variation21232.1%56.1%
D34QGD, Tarrasch, Prague variation, Normal position66948.0%56.1%
C41Philidor, Nimzovich variation4946.9%56.1%
B83Sicilian, modern Scheveningen, main line with Nb39036.7%56.1%
E60King's Indian, 3.g3165542.4%56.1%
D52QGD, Cambridge Springs defence, Yugoslav variation41037.6%56.1%
E70King's Indian, accelerated Averbakh system12334.1%56.1%
B78Sicilian, dragon, Yugoslav attack, 10.O-O-O37928.8%56.1%
A31English, symmetrical, Benoni formation99140.5%56.1%
E16Queen's Indian, Riumin variation22339.5%56.1%
B31Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)288441.0%56.1%
D27QGA, classical, Rubinstein variation146547.5%56.0%
C02French, advance variation120932.5%56.0%
E11Bogo-Indian defence, Gruenfeld variation206540.5%56.0%
D90Gruenfeld, Flohr variation29937.8%56.0%
A16English, Anglo-Gruenfeld, Smyslov defense15832.3%56.0%
B31Sicilian, Nimzovich-Rossolimo attack, Gurgenidze variation2556.0%56.0%
E91King's Indian, Kazakh variation30036.7%56.0%
D52QGD, Cambridge Springs defence, Bogoljubow variation42647.7%56.0%
E56Nimzo-Indian, 4.e3, main line with 7...Nc635151.0%56.0%
E95King's Indian, orthodox, 7...Nbd7, 8.Re135135.6%56.0%
C74Ruy Lopez, modern Steinitz defence6734.3%56.0%
C89Ruy Lopez, Marshall counter-attack, 11...c617646.0%56.0%
A50Kevitz-Trajkovich defence39435.8%56.0%
E97King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)401033.1%56.0%
E74King's Indian, Averbakh, 6...c527736.8%56.0%
A50Queen's pawn game65537.7%56.0%
D31QGD, Janowski variation16942.0%55.9%
B12Caro-Kann, Tartakower (fantasy) variation67738.0%55.9%
D35QGD, exchange variation38143.0%55.9%
C75Ruy Lopez, modern Steinitz defence, Rubinstein variation8538.8%55.9%
B63Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7111937.7%55.9%
E54Nimzo-Indian, 4.e3, Gligoric system with 7...dc122648.7%55.8%
D85Gruenfeld, modern exchange variation319446.6%55.8%
A62Benoni, fianchetto variation80034.6%55.8%
B57Sicilian, Sozin, not Scheveningen24143.6%55.8%
C77Ruy Lopez, four knights (Tarrasch) variation15547.1%55.8%
C64Ruy Lopez, classical defence, 4.c326741.9%55.8%
B32Sicilian defence84038.9%55.8%
C12French, MacCutcheon, Grigoriev variation2650.0%55.8%
D60QGD, Orthodox defence10436.5%55.8%
B71Sicilian, dragon, Levenfish variation7834.6%55.8%
B85Sicilian, Scheveningen, classical, Maroczy system2634.6%55.8%
E60King's Indian defence76335.8%55.8%
E10Queen's pawn game422044.6%55.7%
C66Ruy Lopez, Berlin defence, 4.O-O, d69649.0%55.7%
B65Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd455040.2%55.7%
B07Pirc defence175036.9%55.7%
C45Scotch, Meitner variation3554.3%55.7%
D11QGD Slav, 3.Nf3243341.1%55.7%
E55Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation187548.2%55.7%
A30English, symmetrical, hedgehog system263346.8%55.7%
A53Old Indian, Janowski variation15034.0%55.7%
A97Dutch, Ilyin-Genevsky variation5335.8%55.7%
C44Scotch gambit, Benima defence5335.8%55.7%
D42QGD, Semi-Tarrasch, 7.Bd326543.4%55.7%
A40Polish defence6243.5%55.6%
D84Gruenfeld, Gruenfeld gambit accepted6250.0%55.6%
B41Sicilian, Kan variation21341.8%55.6%
D86Gruenfeld, exchange, classical variation107845.7%55.6%
E67King's Indian, fianchetto, classical variation51941.0%55.6%
B67Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7278633.3%55.6%
B15Caro-Kann, Forgacs variation22441.5%55.6%
C23Bishop's opening, Philidor variation944.4%55.6%
B27Sicilian defence1833.3%55.6%
C55Two knights defence, Perreux variation2744.4%55.6%
B02Alekhine's defence, Steiner variation944.4%55.6%
D87Gruenfeld, exchange, Spassky variation53141.8%55.6%
B51Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack170338.2%55.5%
A21English opening149733.2%55.5%
B52Sicilian, Canal-Sokolsky attack, Sokolsky variation82243.7%55.5%
C74Ruy Lopez, Siesta, Kopayev variation14532.4%55.5%
B85Sicilian, Scheveningen, classical main line35446.0%55.5%
D30Queen's gambit declined607845.4%55.5%
D35QGD, exchange, positional line, 5...c679342.4%55.5%
D10QGD Slav defence, exchange variation150444.3%55.5%
B37Sicilian, accelerated fianchetto, Maroczy bind, 5...Bg714646.6%55.5%
E15Queen's Indian, 4.g3251146.4%55.5%
B53Sicilian, Chekhover, Zaitsev variation6426.6%55.5%
E44Nimzo-Indian, Fischer variation, 5.Ne242137.8%55.5%
B15Caro-Kann, Tartakower (Nimzovich) variation34040.9%55.4%
C11French, Swiss variation4650.0%55.4%
C14French, classical, Alapin variation9245.7%55.4%
B77Sicilian, dragon, Yugoslav attack, 9...Bd720341.9%55.4%
C15French, Winawer (Nimzovich) variation79542.4%55.4%
D67QGD, Orthodox defence, Bd3 line, Alekhine variation3756.8%55.4%
D13QGD Slav, exchange variation72246.3%55.4%
D11QGD Slav, 4.e3425041.8%55.4%
E81King's Indian, Saemisch, 5...O-O214633.9%55.4%
E61King's Indian defence, 3.Nc387736.1%55.4%
B25Sicilian, closed, 6.f4 e5 (Botvinnik)2846.4%55.4%
C71Ruy Lopez, modern Steinitz defence11242.9%55.4%
D35QGD, Harrwitz attack21553.0%55.3%
B14Caro-Kann, Panov-Botvinnik attack, 5...e6183446.3%55.3%
C49Four knights, symmetrical variation19742.6%55.3%
D70Neo-Gruenfeld defence21639.4%55.3%
D20Queen's gambit accepted93146.2%55.3%
B74Sicilian, dragon, classical, Reti-Tartakower variation8547.1%55.3%
B54Sicilian85037.6%55.3%
C10French, Rubinstein variation226848.5%55.3%
C57Two knights defence, Lolli attack1936.8%55.3%
D37QGD, classical variation (5.Bf4)418144.9%55.2%
A87Dutch, Leningrad, main variation34440.1%55.2%
D27QGA, classical, 6...a6394950.9%55.2%
A38English, symmetrical variation52645.1%55.2%
A40Queen's pawn219737.1%55.2%
E73King's Indian, Averbakh system101833.8%55.2%
B33Sicilian, Pelikan (Lasker/Sveshnikov) variation99335.6%55.2%
B46Sicilian, Taimanov variation314338.5%55.2%
D73Neo-Gruenfeld, 5.Nf382550.9%55.2%
D10QGD Slav, Winawer counter-gambit16633.1%55.1%
D15QGD Slav, 5.e3 (Alekhine variation)16630.7%55.1%
E39Nimzo-Indian, classical, Pirc variation96139.6%55.1%
C13French, Albin-Alekhine-Chatard attack27530.2%55.1%
E73King's Indian, Semi-Averbakh system5942.4%55.1%
C15French, Winawer, Alekhine (Maroczy) gambit18738.5%55.1%
D31QGD, 3.Nc384841.5%55.1%
C42Petrov, Nimzovich attack114945.2%55.0%
A25English, closed system (without ...d6)11927.7%55.0%
E10Blumenfeld counter-gambit31841.5%55.0%
C13French, classical, Anderssen-Richter variation1030.0%55.0%
C34KGA, Bonsch-Osmolovsky variation4045.0%55.0%
B01Scandinavian, Icelandic gambit6043.3%55.0%
D33QGD, Tarrasch, Schlechter-Rubinstein system2040.0%55.0%
C69Ruy Lopez, exchange, Gligoric variation74242.9%55.0%
D10QGD Slav defence, Alekhine variation26238.9%55.0%
A05Reti, King's Indian attack, Reti-Smyslov variation6137.7%54.9%
D17QGD Slav, Czech defence38748.3%54.9%
B06Robatsch defence, Pseudo-Austrian attack51034.1%54.9%
B02Alekhine's defence59235.8%54.9%
E17Queen's Indian, Opovcensky variation69539.6%54.9%
D31QGD, semi-Slav105339.9%54.9%
D05Colle system18547.0%54.9%
C70Ruy Lopez6241.9%54.8%
A98Dutch, Ilyin-Genevsky variation with Qc26232.3%54.8%
D96Gruenfeld, Russian variation24842.7%54.8%
D47QGD semi-Slav, Meran variation128349.0%54.8%
E62King's Indian, fianchetto with ...Nc623833.2%54.8%
A10English opening275438.1%54.8%
A30English, symmetrical variation307539.8%54.8%
E00Catalan opening327342.7%54.8%
C62Ruy Lopez, old Steinitz defence28239.4%54.8%
D15QGD Slav, 4.Nc3400339.6%54.8%
C45Scotch, Steinitz variation4233.3%54.8%
C51Evans gambit, Morphy attack2142.9%54.8%
E17Queen's Indian, Euwe variation6352.4%54.8%
B24Sicilian, closed, Smyslov variation2133.3%54.8%
A80Dutch220035.3%54.8%
C77Ruy Lopez, Wormald (Alapin) attack35843.0%54.7%
D40QGD, Semi-Tarrasch defence42242.2%54.7%
B30Sicilian defence268640.2%54.7%
C02French, advance, Steinitz variation38234.0%54.7%
C79Ruy Lopez, Steinitz defence deferred (Russian defence)25541.2%54.7%
A46Queen's pawn game315640.5%54.7%
D78Neo-Gruenfeld, 6.O-O c677742.0%54.7%
B20Sicilian, wing gambit, Marshall variation6431.3%54.7%
C65Ruy Lopez, Berlin defence, Kaufmann variation3246.9%54.7%
C02French, advance, Paulsen attack178233.6%54.7%
B22Sicilian, Alapin's variation (2.c3)607543.4%54.7%
C11French, Steinitz variation100538.1%54.7%
C11French, Steinitz, Gledhill attack11833.1%54.7%
D22QGA, Alekhine defence24740.5%54.7%
C83Ruy Lopez, open, 9...Be7, 10.Re14334.9%54.7%
C27Vienna game12944.2%54.7%
E11Bogo-Indian defence156039.3%54.6%
A41Old Indian defence85032.1%54.6%
D53QGD, 4.Bg5 Be799045.9%54.6%
A85Dutch with c4 & Nc367835.5%54.6%
A28English, four knights, Nimzovich variation54933.2%54.6%
D47QGD semi-Slav, neo-Meran (Lundin variation)30347.9%54.6%
E41Nimzo-Indian, 4.e3 c574745.0%54.6%
A41Queen's Pawn199935.9%54.6%
C78Ruy Lopez, Archangelsk (counterthrust) variation157641.9%54.6%
E61King's Indian, Smyslov system8737.9%54.6%
A80Dutch, 2.Bg5 variation101333.2%54.6%
C47Four knights, Belgrade gambit10946.8%54.6%
D80Gruenfeld defence88447.6%54.6%
A34English, symmetrical variation105439.7%54.6%
D52QGD, Cambridge Springs defence, Rubinstein variation16538.8%54.5%
A19English, Mikenas-Carls, Sicilian variation37441.7%54.5%
D45QGD semi-Slav, stonewall defence1154.5%54.5%
C35KGA, Cunningham, Euwe defence2227.3%54.5%
C88Ruy Lopez, closed, Balla variation4436.4%54.5%
C79Ruy Lopez, Steinitz defence deferred, Lipnitsky variation1172.7%54.5%
C40Latvian, Fraser defence1118.2%54.5%
C29Vienna gambit, Paulsen attack1154.5%54.5%
A30English, symmetrical, hedgehog, flexible formation17643.2%54.5%
B72Sicilian, dragon, classical, Nottingham variation2245.5%54.5%
A15English, 1...Nf6 (Anglo-Indian defense)115840.2%54.5%
C78Ruy Lopez, 5.O-O112546.3%54.5%
C89Ruy Lopez, Marshall counter-attack52052.5%54.5%
B88Sicilian, Sozin, Leonhardt variation58740.2%54.5%
C08French, Tarrasch, open, 4.ed ed129749.8%54.5%
A07Reti, King's Indian attack, Keres variation72334.3%54.5%
E86King's Indian, Saemisch, orthodox, 7.Nge2 c638029.5%54.5%
C70Ruy Lopez, fianchetto defence deferred5655.4%54.5%
B02Alekhine's defence, Two pawns' (Lasker's) attack30342.9%54.5%
A34English, symmetrical, three knights system123643.2%54.4%
D52QGD, Cambridge Springs defence, 7.cd4537.8%54.4%
D12QGD Slav, 4.e3 Bf5306340.0%54.4%
C46Three knights game14738.1%54.4%
A80Dutch, Korchnoi attack3426.5%54.4%
D35QGD, exchange, positional line101440.5%54.4%
C75Ruy Lopez, modern Steinitz defence16042.5%54.4%
D79Neo-Gruenfeld, 6.O-O, main line51548.2%54.4%
B98Sicilian, Najdorf, 7...Be712632.5%54.4%
D80Gruenfeld, Stockholm variation70143.7%54.4%
A25English, closed system75934.4%54.3%
B32Sicilian, Nimzovich variation2339.1%54.3%
E77King's Indian, Four pawns attack, 6.Be22356.5%54.3%
B18Caro-Kann, classical variation158344.6%54.3%
A33English, symmetrical variation156347.1%54.3%
E53Nimzo-Indian, 4.e3, main line with ...c539740.6%54.3%
E21Nimzo-Indian, three knights variation248141.2%54.3%
A47Queen's Indian, Marienbad system8237.8%54.3%
A20English opening569738.2%54.3%
B47Sicilian, Taimanov (Bastrikov) variation382241.2%54.2%
A04Reti opening781538.4%54.2%
D77Neo-Gruenfeld, 6.O-O69846.6%54.2%
D35QGD, exchange, Saemisch variation30846.8%54.2%
A36English, symmetrical, Botvinnik system reversed8341.0%54.2%
D90Gruenfeld, Three knights variation59349.7%54.2%
C45Scotch, Mieses variation139141.1%54.2%
B42Sicilian, Kan, Polugaievsky variation142836.3%54.2%
C23Bishop's opening17936.9%54.2%
D30QGD Slav32442.9%54.2%
C42Petrov, classical attack, Berger variation1275.0%54.2%
A14English, Neo-Catalan declined81643.4%54.2%
C95Ruy Lopez, closed, Breyer, Gligoric variation4845.8%54.2%
B33Sicilian defence45636.0%54.2%
A25English, closed, Hort variation3636.1%54.2%
E42Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)64845.7%54.2%
C46Three knights, Steinitz variation6041.7%54.2%
D50QGD, Semi-Tarrasch, Primitive Pillsbury variation1241.7%54.2%
B80Sicilian, Scheveningen variation124130.9%54.1%
D05Queen's pawn game, Rubinstein (Colle-Zukertort) variation25539.2%54.1%
D94Gruenfeld, Opovcensky variation15842.4%54.1%
D31QGD, semi-Slav, Marshall gambit87743.2%54.1%
D02Queen's pawn game, Krause variation39045.6%54.1%
E25Nimzo-Indian, Saemisch, Keres variation29346.1%54.1%
D10QGD Slav defence389341.0%54.1%
E20Nimzo-Indian, Romanishin-Kasparov (Steiner) system44145.1%54.1%
E43Nimzo-Indian, Fischer variation58936.5%54.1%
E15Queen's Indian, 4.g3 Bb728439.8%54.0%
C02French, advance, Euwe variation135036.1%54.0%
E92King's Indian, Petrosian system, Stein variation59533.1%54.0%
E94King's Indian, orthodox variation100937.3%54.0%
C26Vienna game28743.9%54.0%
C33KGA, bishop's gambit, Morphy variation2536.0%54.0%
E12Queen's Indian defence67542.5%54.0%
D51QGD, 4.Bg5 Nbd77541.3%54.0%
B72Sicilian, dragon, 6.Be310036.0%54.0%
A45Queen's pawn game238838.5%54.0%
E12Queen's Indian, Petrosian system667743.1%54.0%
A22English, Carls' Bremen system42740.0%54.0%
E06Catalan, closed, 5.Nf3297748.3%54.0%
B64Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f426539.2%54.0%
C67Ruy Lopez, Berlin defence, open variation370746.3%54.0%
D27QGA, classical, Geller variation7652.6%53.9%
D45QGD semi-Slav, accelerated Meran (Alekhine variation)206743.5%53.9%
A80Dutch, Krejcik gambit26734.5%53.9%
D46QGD semi-Slav, Chigorin defence43345.0%53.9%
C65Ruy Lopez, Berlin defence, Nyholm attack7755.8%53.9%
A48King's Indian, London system111938.4%53.9%
B18Caro-Kann, classical, 6.h456641.7%53.9%
B91Sicilian, Najdorf, Zagreb (fianchetto) variation73438.0%53.9%
A28English, four knights, Capablanca variation46436.2%53.9%
E28Nimzo-Indian, Saemisch variation12930.2%53.9%
B90Sicilian, Najdorf275336.2%53.9%
A13English opening, Agincourt variation132239.9%53.9%
C22Centre game, Berger variation36437.9%53.8%
A36English, symmetrical variation11735.9%53.8%
D23Queen's gambit accepted3935.9%53.8%
E20Nimzo-Indian, Kmoch variation76938.5%53.8%
B40Sicilian defence517738.9%53.8%
B12Caro-Kann defence22235.6%53.8%
A33English, symmetrical, Geller variation62838.5%53.8%
C69Ruy Lopez, exchange variation, 5.O-O70842.1%53.8%
E34Nimzo-Indian, classical, Noa variation78852.8%53.8%
C91Ruy Lopez, closed, Bogolyubov variation379943.2%53.8%
E81King's Indian, Saemisch, Byrne variation7939.2%53.8%
C47Four knights, Scotch, 4...exd447649.2%53.8%
E05Catalan, open, classical line10654.7%53.8%
C73Ruy Lopez, modern Steinitz defence, Richter variation14651.4%53.8%
C57Two knights defence, Fegatello attack6726.9%53.7%
A11English, Caro-Kann defensive system136739.9%53.7%
A10English, Adorjan defence48338.3%53.7%
D55QGD, Petrosian variation36351.8%53.7%
E32Nimzo-Indian, classical variation638442.3%53.7%
D50QGD, 4.Bg59544.2%53.7%
C88Ruy Lopez, closed, anti-Marshall 8.a4156339.5%53.7%
D56QGD, Lasker defence34046.2%53.7%
D30QGD, Capablanca-Duras variation35545.4%53.7%
B44Sicilian, Szen (`anti-Taimanov') variation82040.0%53.7%
E12Queen's Indian, Miles variation146843.7%53.6%
C17French, Winawer, advance, Russian variation5538.2%53.6%
D32QGD, Tarrasch defence34446.8%53.6%
C07French, Tarrasch, open variation362047.5%53.6%
B17Caro-Kann, Steinitz variation374443.2%53.6%
C64Ruy Lopez, classical (Cordel) defence23641.9%53.6%
A05Reti, King's Indian attack122339.8%53.6%
D02Queen's bishop game136638.2%53.6%
D47QGD semi-Slav, Meran, Wade variation692239.5%53.6%
E04Catalan, open, 5.Nf3438143.5%53.6%
D50QGD, Semi-Tarrasch1435.7%53.6%
C66Ruy Lopez, closed Berlin defence, Bernstein variation1435.7%53.6%
C65Ruy Lopez, Berlin defence, Duras variation1435.7%53.6%
A17English, Nimzo-English opening182539.4%53.6%
C45Scotch game243242.8%53.6%
A16English, Anglo-Gruenfeld defense25442.5%53.5%
E14Queen's Indian, 4.e3174240.0%53.5%
D16QGD Slav, Soultanbeieff variation42549.2%53.5%
A07Reti, King's Indian attack (Barcza system)476041.3%53.5%
E52Nimzo-Indian, 4.e3, main line with ...b646940.1%53.5%
C07French, Tarrasch, Eliskases variation12846.1%53.5%
D63QGD, Orthodox defence, Swiss, Karlsbad variation17142.7%53.5%
C01French, exchange variation147044.7%53.5%
A12English, Caro-Kann defensive system, Bogolyubov variation8646.5%53.5%
A09Reti opening64539.1%53.5%
A35English, symmetrical, four knights system209543.6%53.5%
B35Sicilian, accelerated fianchetto, modern variation with Bc4198143.2%53.5%
C31KGD, Falkbeer counter-gambit5848.3%53.4%
E59Nimzo-Indian, 4.e3, main line74443.4%53.4%
A15English opening1132443.1%53.4%
B56Sicilian162539.7%53.4%
A21English, Troeger defence13328.6%53.4%
A05Reti opening364837.1%53.4%
A16English opening131335.7%53.4%
D31QGD, Charousek (Petrosian) variation154145.3%53.3%
D69QGD, Orthodox defence, classical, 13.de1553.3%53.3%
C42Petrov's defence28643.0%53.3%
A52Budapest, Adler variation18144.8%53.3%
A01Nimzovich-Larsen attack71136.8%53.3%
B14Caro-Kann, Panov-Botvinnik attack, 5...g631850.0%53.3%
B92Sicilian, Najdorf, Opovcensky variation511040.0%53.3%
B13Caro-Kann, exchange, Rubinstein variation13736.5%53.3%
A27English, three knights system64235.8%53.3%
C43Petrov, modern attack, Symmetrical variation244745.0%53.2%
A38English, symmetrical, main line with d315446.8%53.2%
C30KGD, classical variation7728.6%53.2%
C50Giuoco Pianissimo175738.3%53.2%
B50Sicilian397040.3%53.2%
D45QGD semi-Slav, Stoltz variation1172543.4%53.2%
B01Scandinavian gambit15541.9%53.2%
C28Vienna game37442.2%53.2%
E10Blumenfeld counter-gambit accepted12540.8%53.2%
C50Giuoco Piano, four knights variation6336.5%53.2%
E12Queen's Indian, 4.Nc3460740.4%53.2%
B90Sicilian, Najdorf, Byrne (English) attack1947735.3%53.2%
D82Gruenfeld, 4.Bf454345.5%53.1%
D70Neo-Gruenfeld (Kemeri) defence6443.8%53.1%
C68Ruy Lopez, exchange, Romanovsky variation1631.3%53.1%
D47QGD semi-Slav, 7.Bc46437.5%53.1%
B13Caro-Kann, Panov-Botvinnik, Herzog defence1631.3%53.1%
D45QGD semi-Slav, 5...Nd754538.3%53.1%
A13English, Neo-Catalan73840.9%53.1%
C24Bishop's opening, Berlin defence110840.5%53.1%
B99Sicilian, Najdorf, 7...Be7 main line61128.6%53.1%
C78Ruy Lopez, Moeller defence58042.4%53.1%
B80Sicilian, Scheveningen, English variation14531.7%53.1%
C86Ruy Lopez, Worrall attack, sharp line22638.1%53.1%
D33QGD, Tarrasch, Prague variation8137.0%53.1%
D26QGA, classical variation69751.9%53.1%
B83Sicilian, modern Scheveningen, main line52344.2%53.1%
E36Nimzo-Indian, classical, Noa variation, 5.a329643.9%53.0%
C00French, Pelikan variation6636.4%53.0%
E01Catalan, closed51348.7%53.0%
A06Reti opening62937.4%53.0%
E13Queen's Indian, 4.Nc3, main line21634.7%53.0%
E17Queen's Indian, anti-Queen's Indian system33338.1%53.0%
B19Caro-Kann, classical, 7...Nd738350.1%53.0%
A05Reti, King's Indian attack, Spassky's variation35043.7%53.0%
C11French, Burn variation515444.1%53.0%
A07Reti, King's Indian attack, Yugoslav variation167439.9%53.0%
A17English opening21938.4%53.0%
C51Evans gambit declined, Showalter variation3447.1%52.9%
A07Reti, King's Indian attack, Pachman system11937.0%52.9%
C29Vienna gambit, Breyer variation10233.3%52.9%
D01Richter-Veresov attack, Richter variation1723.5%52.9%
B94Sicilian, Najdorf, 6.Bg579935.3%52.9%
C50Giuoco Pianissimo, Canal variation18843.1%52.9%
B76Sicilian, dragon, Yugoslav attack, 7...O-O32534.5%52.9%
E20Nimzo-Indian defence15450.0%52.9%
B10Caro-Kann defence224235.4%52.9%
E58Nimzo-Indian, 4.e3, main line with 8...Bxc3145844.7%52.9%
A07Reti, King's Indian attack242241.5%52.9%
D36QGD, exchange, positional line, 6.Qc227743.0%52.9%
C80Ruy Lopez, open, 7.Bb348541.0%52.9%
C78Ruy Lopez, ...b5 & ...d65236.5%52.9%
B86Sicilian, Sozin attack19142.9%52.9%
D37QGD, 4.Nf3554746.4%52.9%
E85King's Indian, Saemisch, orthodox variation7037.1%52.9%
B02Alekhine's defence, Scandinavian variation24641.5%52.8%
A36English, ultra-symmetrical variation135338.1%52.8%
A09Reti accepted26539.2%52.8%
A46Queen's pawn, Yusupov-Rubinstein system79640.8%52.8%
D43QGD semi-Slav699441.1%52.8%
A25English, closed, 5.Rb144840.4%52.8%
C23Bishop's opening, Classical variation5438.9%52.8%
A81Dutch defence, Blackburne variation5431.5%52.8%
A91Dutch defence10833.3%52.8%
C33KGA, bishop's gambit9034.4%52.8%
C54Giuoco Piano18053.3%52.8%
B10Caro-Kann, closed (Breyer) variation74238.4%52.8%
B83Sicilian, Scheveningen, 6.Be254340.0%52.8%
D23QGA, Mannheim variation32646.6%52.8%
A25English, Sicilian reversed81534.6%52.8%
C44Ponziani, Jaenisch counter-attack213145.8%52.7%
C67Ruy Lopez, open Berlin defence, 5...Be77437.8%52.7%
D05Queen's pawn game61135.7%52.7%
D02Queen's pawn game500541.0%52.7%
C88Ruy Lopez, closed124841.4%52.7%
B13Caro-Kann, Panov-Botvinnik attack102547.8%52.7%
C70Ruy Lopez, Cozio defence deferred31744.8%52.7%
D48QGD semi-Slav, Meran, old main line11235.7%52.7%
E84King's Indian, Saemisch, Panno main line43037.9%52.7%
C42Petrov, Cozio (Lasker) attack50548.7%52.7%
B23Sicilian, Grand Prix attack, Schofman variation15240.8%52.6%
A52Budapest defence3836.8%52.6%
C33KGA, bishop's gambit, Maurian defence1931.6%52.6%
B07Pirc, Sveshnikov system30435.5%52.6%
A66Benoni, Mikenas variation1921.1%52.6%
C53Giuoco Piano211438.1%52.6%
D00Queen's pawn, Mason variation99539.1%52.6%
D14QGD Slav, exchange, Trifunovic variation21149.3%52.6%
A08Reti, King's Indian attack55742.4%52.6%
D26QGA, 4...e627045.2%52.6%
B72Sicilian, dragon, classical attack9938.4%52.5%
B96Sicilian, Najdorf, Polugayevsky variation9938.4%52.5%
C48Four knights, Rubinstein counter-gambit107139.7%52.5%
A45Trompovsky attack (Ruth, Opovcensky opening)408035.9%52.5%
C46Three knights, Schlechter variation2035.0%52.5%
D30QGD, Hastings variation58647.3%52.5%
A34English, symmetrical, Rubinstein system38738.2%52.5%
C50Giuoco Piano79638.6%52.4%
C26Vienna, Paulsen-Mieses variation53141.2%52.4%
E65King's Indian, fianchetto, Yugoslav, 7.O-O18452.7%52.4%
D22QGA, Haberditz variation12357.7%52.4%
D86Gruenfeld, exchange, Simagin's improved variation12339.8%52.4%
B21Sicilian, Grand Prix attack153835.6%52.4%
B20Sicilian, Keres variation (2.Ne2)63940.7%52.4%
D30QGD, Vienna variation76453.0%52.4%
D94Gruenfeld with e3 Bd32138.1%52.4%
C55Two knights, Max Lange attack2138.1%52.4%
D38QGD, Ragozin variation422346.2%52.4%
B90Sicilian, Najdorf, Adams attack122038.0%52.4%
C48Four knights, Rubinstein counter-gambit, exchange variation14965.8%52.3%
A10English, Anglo-Dutch defense70633.9%52.3%
E76King's Indian, Four pawns attack, dynamic line17238.4%52.3%
C48Four knights, Rubinstein counter-gambit, Henneberger variation6543.1%52.3%
A28English, four knights, Romanishin variation45550.1%52.3%
D93Gruenfeld with Bf4 e328250.0%52.3%
A00Benko's opening686642.1%52.3%
A21English, Kramnik-Shirov counterattack213040.3%52.3%
D61QGD, Orthodox defence, Rubinstein variation24045.4%52.3%
A26English, Botvinnik system32937.1%52.3%
C55Two knights, Max Lange attack, Schlechter variation2250.0%52.3%
C55Two knights defence6744.8%52.2%
C42Petrov, Paulsen attack15740.8%52.2%
C92Ruy Lopez, closed, 9.h338642.7%52.2%
C88Ruy Lopez, closed, 7...O-O288040.3%52.2%
B73Sicilian, dragon, classical, 8.O-O36746.0%52.2%
E62King's Indian, fianchetto variation6934.8%52.2%
C25Vienna game, Max Lange defence2343.5%52.2%
A46Queen's pawn, Torre attack138136.6%52.2%
E23Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc64740.4%52.1%
A47Queen's Indian defence52038.5%52.1%
E07Catalan, closed, 6...Nbd77136.6%52.1%
C84Ruy Lopez, closed defence134240.7%52.1%
D32QGD, Tarrasch defence, 4.cd ed2437.5%52.1%
B44Sicilian defence31243.9%52.1%
B12Caro-Kann, advance, Short variation4833.3%52.1%
B84Sicilian, Scheveningen (Paulsen), classical variation367038.7%52.1%
C81Ruy Lopez, open, Howell attack14650.7%52.1%
E25Nimzo-Indian, Saemisch variation14642.5%52.1%
E47Nimzo-Indian, 4.e3 O-O, 5.Bd358746.8%52.0%
C68Ruy Lopez, exchange, Keres variation9851.0%52.0%
D58QGD, Tartakower (Makagonov-Bondarevsky) system498746.4%52.0%
D00Levitsky attack (Queen's bishop attack)196636.7%52.0%
B15Caro-Kann defence22332.3%52.0%
A83Dutch, Staunton gambit, Chigorin variation7532.0%52.0%
A13English opening197736.7%52.0%
C88Ruy Lopez, Trajkovic counter-attack65141.6%52.0%
A12English, London defensive system12642.1%52.0%
B23Sicilian, closed, Korchnoi variation15248.7%52.0%
B55Sicilian, Prins variation, Venice attack5246.2%51.9%
B59Sicilian, Boleslavsky variation, 7.Nb313046.9%51.9%
A29English, four knights, kingside fianchetto616540.8%51.9%
C68Ruy Lopez, exchange variation8041.3%51.9%
D30QGD82847.5%51.9%
B85Sicilian, Scheveningen, classical13441.0%51.9%
E41Nimzo-Indian, e3, Huebner variation48533.2%51.9%
D30QGD Slav, Semmering variation2729.6%51.9%
A28English, four knights, 4.e3100837.0%51.8%
B10Caro-Kann, anti-anti-Caro-Kann defence136447.7%51.8%
C00French, Two knights variation24738.1%51.8%
A48King's Indian, East Indian defence86638.0%51.8%
E92King's Indian, Petrosian system11228.6%51.8%
D51QGD, 5...c68556.5%51.8%
C44King's pawn game8537.6%51.8%
E22Nimzo-Indian, Spielmann variation14545.5%51.7%
E26Nimzo-Indian, Saemisch, O'Kelly variation2941.4%51.7%
D31QGD, semi-Slav, Noteboom variation26237.8%51.7%
C90Ruy Lopez, closed, Pilnik variation82535.5%51.7%
B34Sicilian, accelerated fianchetto, modern variation35636.5%51.7%
B23Sicilian, closed320338.1%51.7%
A28English, Nenarokov variation12040.0%51.7%
B57Sicilian, Sozin, Benko variation129839.3%51.6%
D00Queen's pawn, Chigorin variation34134.0%51.6%
B13Caro-Kann, exchange variation84040.1%51.6%
C45Scotch, Potter variation52939.7%51.6%
A26English, closed system31237.2%51.6%
B70Sicilian, dragon variation72741.8%51.6%
B23Sicilian, closed, 2...Nc6180240.5%51.6%
D15QGD Slav accepted9642.7%51.6%
C77Ruy Lopez, Anderssen variation93441.4%51.6%
B96Sicilian, Najdorf, 7.f4135334.8%51.6%
A01Nimzovich-Larsen attack, English variation25933.6%51.5%
B89Sicilian, Velimirovic attack74533.8%51.5%
E46Nimzo-Indian, Reshevsky variation94444.4%51.5%
C44Scotch gambit, Dubois-Reti defence30041.7%51.5%
B66Sicilian, Richter-Rauzer, Rauzer attack, 7...a6568933.6%51.5%
A35English, symmetrical variation23835.7%51.5%
E53Nimzo-Indian, 4.e3, Gligoric system with 7...Nbd76855.9%51.5%
C90Ruy Lopez, closed (with ...d6)119436.9%51.5%
C76Ruy Lopez, modern Steinitz defence, fianchetto (Bronstein) variation34334.7%51.5%
D49QGD semi-Slav, Meran, Blumenfeld variation17446.6%51.4%
C00French defence, Steiner variation76843.2%51.4%
C00French, King's Indian attack220337.3%51.4%
C73Ruy Lopez, modern Steinitz defence, Alapin variation10636.8%51.4%
A28English, four knights system35743.4%51.4%
E08Catalan, closed, Qc2 & b321643.5%51.4%
E00Neo-Indian (Seirawan) attack18031.7%51.4%
D04Queen's pawn game80740.8%51.4%
C50Giuoco Pianissimo, Italian four knights variation40837.5%51.3%
D95Gruenfeld, Botvinnik variation7544.0%51.3%
C60Ruy Lopez, Cozio defence30342.6%51.3%
E31Nimzo-Indian, Leningrad, main line23131.6%51.3%
A22English opening73337.7%51.3%
B80Sicilian, Scheveningen, fianchetto variation19433.5%51.3%
C60Ruy Lopez, fianchetto (Smyslov/Barnes) defence35241.8%51.3%
D55QGD, Neo-orthodox variation, 7.Bxf635645.2%51.3%
A36English, symmetrical, Botvinnik system15935.8%51.3%
C65Ruy Lopez, Berlin defence302639.6%51.2%
A00Van't Kruijs opening50740.8%51.2%
D97Gruenfeld, Russian, Alekhine (Hungarian) variation167944.3%51.1%
B87Sicilian, Sozin with ...a6 and ...b577436.6%51.1%
A28English, four knights, Marini variation83339.3%51.1%
D39QGD, Ragozin, Vienna variation159250.1%51.1%
C49Four knights, symmetrical, Metger unpin33336.0%51.1%
C69Ruy Lopez, exchange variation, Alapin gambit28642.0%51.0%
E50Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d519142.4%51.0%
B25Sicilian, closed, 6.f443339.7%51.0%
B80Sicilian, Scheveningen, Vitolins variation4949.0%51.0%
E25Nimzo-Indian, Saemisch, Romanovsky variation10050.0%51.0%
A45Blackmar-Diemer gambit20128.4%51.0%
C17French, Winawer, advance, Bogolyubov variation35739.8%51.0%
B25Sicilian, closed, 6.Ne2 e5 (Botvinnik)5131.4%51.0%
D03Torre attack (Tartakower variation)66839.4%51.0%
E32Nimzo-Indian, classical, Adorjan gambit10343.7%51.0%
D14QGD Slav, exchange variation, 6.Bf4 Bf567949.5%51.0%
D57QGD, Lasker defence, main line5356.6%50.9%
C89Ruy Lopez, Marshall, main line, 14...Qh342750.4%50.9%
B77Sicilian, dragon, Yugoslav attack, 9.Bc410833.3%50.9%
A00Mieses opening16732.3%50.9%
C49Four knights, symmetrical, Maroczy system5745.6%50.9%
B44Sicilian, Szen, hedgehog variation22839.5%50.9%
A37English, symmetrical, Botvinnik system reversed74937.7%50.9%
B53Sicilian, Chekhover variation128542.7%50.9%
B62Sicilian, Richter-Rauzer, Margate (Alekhine) variation6038.3%50.8%
A13English, Wimpey system12441.9%50.8%
B33Sicilian, Sveshnikov variation138538.5%50.8%
C31KGD, Nimzovich counter-gambit6334.9%50.8%
B24Sicilian, closed46236.1%50.8%
A01Nimzovich-Larsen attack, modern variation318540.1%50.7%
D24QGA, 4.Nc320541.0%50.7%
D60QGD, Orthodox defence, Botvinnik variation7133.8%50.7%
C22Centre game, Paulsen attack21538.1%50.7%
D00Queen's pawn, Mason variation, Steinitz counter-gambit50237.3%50.7%
B93Sicilian, Najdorf, 6.f4158739.6%50.7%
B89Sicilian, Sozin, 7.Be3103437.2%50.6%
A02Bird, From gambit16336.2%50.6%
B84Sicilian, Scheveningen, classical, Nd7 system8235.4%50.6%
A22English, Bremen, reverse dragon66840.1%50.6%
E93King's Indian, Petrosian system, main line8535.3%50.6%
C00French, Reti (Spielmann) variation17839.3%50.6%
A00Saragossa opening36030.6%50.6%
C46Four knights, Gunsberg variation9946.5%50.5%
C42Petrov, Kaufmann attack19948.7%50.5%
B10Caro-Kann, Goldman (Spielmann) variation10039.0%50.5%
C69Ruy Lopez, exchange, Bronstein variation50434.3%50.5%
A00Anderssen's opening41341.9%50.5%
A37English, symmetrical variation99641.1%50.5%
E35Nimzo-Indian, classical, Noa variation, 5.cd ed56846.7%50.4%
B20Sicilian defence217335.8%50.4%
A83Dutch, Staunton gambit, Staunton's line14337.8%50.3%
A41Robatsch defence, Rossolimo variation14436.8%50.3%
B20Sicilian, Steinitz variation40942.8%50.2%
D00Queen's pawn game66137.8%50.2%
C00French, Chigorin variation86732.5%50.2%
C46Four knights game61944.1%50.2%
B52Sicilian, Canal-Sokolsky attack, 3...Bd7169042.8%50.0%
B23Sicilian, Grand Prix attack74536.6%50.0%
C71Ruy Lopez, modern Steinitz defence, Three knights variation1741.2%50.0%
C43Petrov, modern attack, Steinitz variation1100.0%50.0%
C27Vienna, Alekhine variation1442.9%50.0%
C11French, Steinitz, Bradford attack1100.0%50.0%
C14French, classical, Tarrasch variation1216.7%50.0%
A38English, symmetrical, main line with b31100.0%50.0%
C31KGD, Falkbeer, Milner-Barry variation20.0%50.0%
C57Two knights defence, Fegatello attack, Leonhardt variation825.0%50.0%
B13Caro-Kann, Panov-Botvinnik, Gunderam attack1428.6%50.0%
A59Benko gambit, 7.e4850.0%50.0%
C32KGD, Falkbeer, Charousek gambit2100.0%50.0%
C33KGA, Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit333.3%50.0%
C48Four knights, Bardeleben variation850.0%50.0%
C10French, Rubinstein, Capablanca line771.4%50.0%
C37KGA, Muzio gambit, From defence1100.0%50.0%
C12French, MacCutcheon, Bogolyubov variation1100.0%50.0%
C50Hungarian defence17740.1%50.0%
D44QGD semi-Slav, anti-Meran, Alatortsev system1100.0%50.0%
A56Vulture defence1100.0%50.0%
C30KGD, classical, Reti variation1100.0%50.0%
C40King's knight opening20.0%50.0%
B05Alekhine's defence, modern, Alekhine variation742.9%50.0%
C33KGA, bishop's gambit, Gifford variation333.3%50.0%
E72King's Indian, Pomar system1844.4%50.0%
C51Evans gambit, normal variation2020.0%50.0%
D64QGD, Orthodox defence, Rubinstein attack, Gruenfeld variation1625.0%50.0%
B09Pirc, Austrian attack, Ljubojevic variation1442.9%50.0%
C33KGA, bishop's gambit, Ruy Lopez defence1650.0%50.0%
C70Ruy Lopez, Graz variation6100.0%50.0%
C78Ruy Lopez, Wing attack850.0%50.0%
C30KGD, classical, Heath variation20.0%50.0%
C48Four knights, Spanish, classical defence18645.2%50.0%
C33KGA, bishop's gambit, Paulsen attack666.7%50.0%
C33KGA, bishop's gambit, Steinitz defence2944.8%50.0%
B15Caro-Kann, Alekhine gambit2339.1%50.0%
E21Nimzo-Indian, three knights, Korchnoi variation40.0%50.0%
A25English, closed, 5.Rb1 Taimanov variation825.0%50.0%
D12QGD Slav, exchange variation9237.0%50.0%
C30KGD, classical, Marshall attack5100.0%50.0%
C89Ruy Lopez, Marshall, Kevitz variation2100.0%50.0%
B12Caro-Masi defence1100.0%50.0%
C39KGA, Kieseritsky, Brentano defence, Caro variation2100.0%50.0%
A70Benoni, classical without 9.O-O1020.0%50.0%
B03Alekhine's defence, exchange, Karpov variation955.6%50.0%
D55QGD, Neo-orthodox variation633.3%50.0%
D54QGD, Anti-neo-orthodox variation5044.0%50.0%
C67Ruy Lopez, open Berlin defence, l'Hermet variation8356.6%50.0%
C01French, exchange, Bogolyubov variation333.3%50.0%
E87King's Indian, Saemisch, orthodox, Bronstein variation1100.0%50.0%
B88Sicilian, Sozin, Fischer variation1650.0%50.0%
C32KGD, Falkbeer, Reti variation450.0%50.0%
D32QGD, Tarrasch defence, Marshall gambit633.3%50.0%
A83Dutch, Staunton gambit, Alekhine variation333.3%50.0%
C80Ruy Lopez, open, Zukertort variation333.3%50.0%
C64Ruy Lopez, classical defence, Zaitsev variation2100.0%50.0%
B18Caro-Kann, classical, Flohr variation9055.6%50.0%
C50Rousseau gambit333.3%50.0%
A95Dutch, stonewall: Chekhover variation1100.0%50.0%
C74Ruy Lopez, modern Steinitz defence, siesta variation2441.7%50.0%
B10Caro-Kann, Hillbilly attack20.0%50.0%
C37KGA, Cochrane gambit333.3%50.0%
C62Ruy Lopez, old Steinitz defence, Nimzovich attack520.0%50.0%
C55Giuoco piano20.0%50.0%
C66Ruy Lopez, closed Berlin defence, Chigorin variation40.0%50.0%
D50QGD, Semi-Tarrasch, Krause variation1100.0%50.0%
A45Queen's pawn, Bronstein gambit1233.3%50.0%
C77Ruy Lopez, Wormald attack, Gruenfeld variation2100.0%50.0%
C52Evans gambit, Leonhardt variation450.0%50.0%
D41QGD, Semi-Tarrasch, Kmoch variation875.0%50.0%
C45Scotch, Ghulam Kassim variation4100.0%50.0%
C41Philidor, Nimzovich, Sozin variation742.9%50.0%
C55Two knights defence, Keidanz variation1100.0%50.0%
D63QGD, Orthodox defence, Capablanca variation1100.0%50.0%
A00Novosibirsk opening2133.3%50.0%
B20Sicilian, Gloria variation40.0%50.0%
C30KGD, classical, Svenonius variation1100.0%50.0%
C53Giuoco Piano, LaBourdonnais variation2152.4%50.0%
A51Budapest, Fajarowicz, Steiner variation560.0%50.0%
C21Danish gambit, Schlechter defence714.3%50.0%
A00Lasker simul special333.3%50.0%
C35KGA, Cunningham defence6835.3%50.0%
C42Petrov, Damiano variation2441.7%50.0%
B37Sicilian, accelerated fianchetto, Simagin variation2100.0%50.0%
C65Ruy Lopez, Berlin defence, Anderssen variation1100.0%50.0%
E14Queen's Indian, Averbakh variation20.0%50.0%
C15French, Winawer, Kondratiyev variation1100.0%50.0%
C49Four knights, symmetrical, Tarrasch variation1650.0%50.0%
C49Four knights, Gunsberg counter-attack1100.0%50.0%
C33KGA, Breyer gambit333.3%50.0%
C42Petrov, Italian variation6327.0%50.0%
A04Reti, Wade defence20.0%50.0%
E20Nimzo-Indian, Mikenas attack666.7%50.0%
D51QGD, Alekhine variation40.0%50.0%
C57Two knights defence, Fritz, Gruber variation633.3%50.0%
C20KP, Napoleon's opening633.3%50.0%
B00KP, Nimzovich defence, Marshall gambit20.0%50.0%
C41Philidor, Lopez counter-gambit20.0%50.0%
B00Carr's defence450.0%50.0%
E51Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d516151.6%50.0%
C48Four knights, Rubinstein counter-gambit, 5.Be22100.0%50.0%
E46Nimzo-Indian, Simagin variation14341.3%50.0%
B62Sicilian, Richter-Rauzer, Keres variation7634.2%50.0%
C33KGA, bishop's gambit, Anderssen variation450.0%50.0%
C45Scotch, Blackburne attack1741.2%50.0%
D40QGD, Semi-Tarrasch, symmetrical variation1145.5%50.0%
A52Budapest, Alekhine variation, Balogh gambit1100.0%50.0%
C34KGA, Gianutio counter-gambit2100.0%50.0%
C37KGA, Silberschmidt gambit333.3%50.0%
C11French, Henneberger variation1338.5%50.0%
B26Sicilian, closed, 6.Be360132.6%49.9%
B97Sicilian, Najdorf, Poisoned pawn variation110045.0%49.8%
C51Evans gambit, Stone-Ware variation21033.8%49.8%
A48King's Indian, Torre attack163839.1%49.7%
B90Sicilian, Najdorf, Lipnitzky attack97535.9%49.6%
B02Alekhine's defence, Saemisch attack27138.0%49.6%
A04Reti, Pirc-Lisitsin gambit12927.9%49.6%
A01Nimzovich-Larsen attack, symmetrical variation70141.8%49.6%
A06Reti, Nimzovich-Larsen attack339341.7%49.5%
D56QGD, Lasker defence, Teichmann variation9651.0%49.5%
A01Nimzovich-Larsen attack, classical variation123435.8%49.4%
C53Giuoco Piano, Bird's attack15429.9%49.4%
D44QGD semi-Slav, 5.Bg5 dc15346.4%49.3%
C44Ponziani, Caro variation22744.9%49.3%
E92King's Indian, Andersson variation29854.4%49.3%
D89Gruenfeld, Spassky variation, main line, 13.Bd37038.6%49.3%
C56Two knights defence13943.9%49.3%
A00Dunst (Sleipner, Heinrichsen) opening179035.8%49.3%
B95Sicilian, Najdorf, 6...e6108538.8%49.3%
B25Sicilian, closed26937.5%49.3%
C59Two knights defence19238.0%49.2%
C12French, MacCutcheon variation12540.8%49.2%
E48Nimzo-Indian, 4.e3 O-O, 5.Bd3 d549642.7%49.2%
C00French, Schlechter variation17842.1%49.2%
C85Ruy Lopez, Exchange variation doubly deferred (DERLD)127939.6%49.1%
A02Bird's opening315736.4%49.0%
A00Polish, Outflank variation13943.2%48.9%
D35QGD, 3...Nf69138.5%48.9%
D48QGD semi-Slav, Meran, 8...a6140449.4%48.9%
D53QGD, 4.Bg5 Be7, 5.e3 O-O4548.9%48.9%
A00Polish (Sokolsky) opening181939.1%48.9%
A08Reti, King's Indian attack, French variation26437.1%48.9%
B83Sicilian, modern Scheveningen43641.7%48.9%
A22English, Bremen, Smyslov system153739.0%48.8%
C21Danish gambit12740.9%48.8%
A01Nimzovich-Larsen attack, Indian variation30934.6%48.7%
A09Reti, advance variation91739.3%48.6%
E24Nimzo-Indian, Saemisch variation18348.1%48.6%
C49Four knights6852.9%48.5%
B13Caro-Kann, Panov-Botvinnik, Czerniak variation3438.2%48.5%
A06Reti, old Indian attack10027.0%48.5%
C44Ponziani, Leonhardt variation10035.0%48.5%
A23English, Bremen system, Keres variation61840.3%48.5%
B29Sicilian, Nimzovich-Rubinstein; Rubinstein counter-gambit3253.1%48.4%
A12English, Caro-Kann defensive system22237.4%48.4%
A07Reti, King's Indian attack (with ...c5)18942.9%48.4%
C23Bishop's opening, Philidor counter-attack15756.1%48.4%
E30Nimzo-Indian, Leningrad variation63436.6%48.3%
A00Benko's opening, reversed Alekhine11542.6%48.3%
C33KGA, bishop's gambit, Jaenisch variation11341.6%48.2%
A24English, Bremen system with ...g616639.8%48.2%
C43Petrov, modern attack, Trifunovic variation5545.5%48.2%
D91Gruenfeld, 5.Bg590639.6%48.2%
B74Sicilian, dragon, classical, 9.Nb337152.6%48.1%
C59Two knights defence, Steinitz variation34429.4%48.1%
C20King's pawn game2634.6%48.1%
B58Sicilian, Boleslavsky variation43536.8%48.0%
C57Two knights defence, Fritz variation2556.0%48.0%
A18English, Mikenas-Carls, Kevitz variation2429.2%47.9%
C13French, classical, Tartakower variation2437.5%47.9%
D29QGA, classical, 8...Bb730941.4%47.9%
B98Sicilian, Najdorf, Goteborg (Argentine) variation2250.0%47.7%
D01Richter-Veresov attack, Veresov variation2250.0%47.7%
A03Bird's opening310035.9%47.6%
C12French, MacCutcheon, Chigorin variation6338.1%47.6%
C86Ruy Lopez, Worrall attack, solid line8040.0%47.5%
B21Sicilian, Smith-Morra gambit77241.7%47.4%
D52QGD, Cambridge Springs defence3842.1%47.4%
A12English, Capablanca's variation7634.2%47.4%
E30Nimzo-Indian, Leningrad, ...b5 gambit7432.4%47.3%
C54Giuoco Piano, Moeller (Therkatz) attack3745.9%47.3%
D94Gruenfeld, Makogonov variation9246.7%47.3%
C92Ruy Lopez, closed, Keres (9...a5) variation1850.0%47.2%
C46Four knights, Italian variation17642.0%47.2%
E53Nimzo-Indian, 4.e3, Keres variation10436.5%47.1%
A45Paleface attack3435.3%47.1%
C15French, Winawer, Alekhine gambit, Kan variation5046.0%47.0%
C02French, advance, Milner-Barry gambit10034.0%47.0%
A57Benko gambit, Zaitsev system8341.0%47.0%
A69Benoni, four pawns attack, main line8338.6%47.0%
B58Sicilian, classical21546.5%47.0%
A00Battambang opening1631.3%46.9%
C44Ponziani, Romanishin variation1631.3%46.9%
D59QGD, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd518848.9%46.8%
C45Scotch, Schmidt variation66249.7%46.8%
B20Sicilian, wing gambit, Carlsbad variation1540.0%46.7%
D98Gruenfeld, Russian, Keres variation1540.0%46.7%
D21QGA, Alekhine defense, Borisenko-Furman variation3026.7%46.7%
A01Nimzovich-Larsen attack, Dutch variation1526.7%46.7%
C58Two knights defence, Bogolyubov variation5932.2%46.6%
B72Sicilian, dragon, classical, Amsterdam variation4425.0%46.6%
C51Evans gambit, Cordel variation8749.4%46.6%
D00Blackmar-Diemer, Euwe defence2821.4%46.4%
B97Sicilian, Najdorf, 7...Qb6158133.2%46.4%
C52Evans gambit30538.4%46.4%
A03Bird's opening, Lasker variation11029.1%46.4%
A20English, Nimzovich, Flohr variation16436.6%46.3%
D29QGA, classical, Smyslov variation4153.7%46.3%
E12Queen's Indian, 4.Nc3, Botvinnik variation4022.5%46.3%
C84Ruy Lopez, closed, centre attack17348.6%46.2%
C51Evans gambit declined, 5.a417242.4%46.2%
C22Centre game40537.5%46.2%
B03Alekhine's defence, four pawns attack, 6...Nc61330.8%46.2%
D99Gruenfeld defence, Smyslov, Yugoslav variation1330.8%46.2%
D64QGD, Orthodox defence, Rubinstein attack, Wolf variation1346.2%46.2%
C34KGA, Fischer defence14230.3%46.1%
B72Sicilian, dragon, classical, Grigoriev variation3844.7%46.1%
D59QGD, Tartakower variation11446.5%46.1%
D01Richter-Veresov attack47536.2%45.9%
C44Ponziani, Steinitz variation47141.6%45.9%
D49QGD semi-Slav, Meran, Sozin variation15744.6%45.9%
A21English, Keres variation1225.0%45.8%
C29Vienna gambit21040.0%45.7%
B22Sicilian, 2.c3, Heidenfeld variation5825.9%45.7%
D49QGD semi-Slav, Meran, Stahlberg variation8041.3%45.6%
C80Ruy Lopez, open, 6.d44537.8%45.6%
E83King's Indian, Saemisch, Ruban variation1136.4%45.5%
C80Ruy Lopez, open, Tartakower variation1154.5%45.5%
C34KGA, Becker defence3342.4%45.5%
C14French, classical, Pollock variation1136.4%45.5%
C02French, advance, Nimzovich variation1136.4%45.5%
C02French, advance, Nimzovich system9831.6%45.4%
C57Two knights defence, Ulvestad variation3259.4%45.3%
D12QGD Slav, Amsterdam variation2152.4%45.2%
C00French, Labourdonnais variation23031.3%45.2%
C44Ponziani opening32233.9%45.2%
A64Benoni, fianchetto, 11...Re813241.7%45.1%
C39KGA, Kieseritsky, Kolisch defence8145.7%45.1%
C41Philidor, Nimzovich (Jaenisch) variation2040.0%45.0%
B05Alekhine's defence, modern, Vitolins attack1050.0%45.0%
C44Scotch, Goering gambit, Bardeleben variation1050.0%45.0%
D57QGD, Lasker defence, Bernstein variation1070.0%45.0%
C40Greco defence1030.0%45.0%
A92Dutch, stonewall with Nc32040.0%45.0%
C36KGA, Abbazia defence, modern variation26842.2%45.0%
C49Four knights, symmetrical, Pillsbury variation4856.3%44.8%
D67QGD, Orthodox defence, Bd3 line1957.9%44.7%
C20KP, Indian opening6637.9%44.7%
C77Ruy Lopez, Treybal (Bayreuth) variation (exchange var. deferred)7443.2%44.6%
C33KGA, bishop's gambit, Cozio (Morphy) defence922.2%44.4%
C40Latvian gambit, 3.Bc4966.7%44.4%
B73Sicilian, dragon, classical, Zollner gambit944.4%44.4%
E27Nimzo-Indian, Saemisch variation5347.2%44.3%
D31QGD, semi-Slav, Abrahams variation13735.8%44.2%
C48Four knights, Rubinstein counter-gambit, Bogolyubov variation1752.9%44.1%
B02Alekhine's defence, Spielmann variation1729.4%44.1%
A12English, New York (London) defensive system3452.9%44.1%
C52Evans gambit, Tartakower attack7245.8%43.8%
C38KGA, Hanstein gambit837.5%43.8%
E17Queen's Indian, 5.Bg2 Be73225.0%43.8%
C33KGA, bishop's gambit, Bogolyubov variation2437.5%43.8%
B01Scandinavian, Mieses-Kotrvc gambit862.5%43.8%
E07Catalan, closed, Botvinnik variation7243.1%43.8%
C68Ruy Lopez, exchange, Alekhine variation1637.5%43.8%
C45Scotch, Tartakower variation1637.5%43.8%
D49QGD semi-Slav, Meran, Rabinovich variation6225.8%43.5%
D45QGD semi-Slav, Rubinstein (anti-Meran) system1533.3%43.3%
A83Dutch, Staunton gambit, Lasker variation1546.7%43.3%
E11Bogo-Indian defence, Monticelli trap1546.7%43.3%
C80Ruy Lopez, open, 8...Be6124238.5%43.2%
E83King's Indian, Saemisch, 6...Nc67927.8%43.0%
D00Queen's pawn, stonewall attack5736.8%43.0%
E03Catalan, open, 5.Qa4 Nbd7, 6.Qxc48560.0%42.9%
C67Ruy Lopez, open Berlin defence, Showalter variation1428.6%42.9%
C41Philidor, Hanham, Krause variation1457.1%42.9%
C13French, classical2842.9%42.9%
C39KGA, Kieseritsky, Berlin defence6237.1%42.7%
C80Ruy Lopez, open, Bernstein variation, Karpov gambit2646.2%42.3%
A06Santasiere's folly12840.6%42.2%
D52QGD, Cambridge Springs defence, Argentine variation1931.6%42.1%
B45Sicilian, Taimanov, American attack1942.1%42.1%
C57Two knights defence1216.7%41.7%
E77King's Indian, Four pawns attack, Florentine gambit650.0%41.7%
C14French, classical variation616.7%41.7%
B18Caro-Kann, classical, Maroczy attack1216.7%41.7%
D22QGA, Alekhine defence, Alatortsev variation1250.0%41.7%
A82Dutch, Staunton gambit, Tartakower variation616.7%41.7%
C26Vienna, Mengarini variation1266.7%41.7%
C48Four knights, Marshall variation616.7%41.7%
E92King's Indian, classical variation2934.5%41.4%
E23Nimzo-Indian, Spielmann, Karlsbad variation1735.3%41.2%
E29Nimzo-Indian, Saemisch, Capablanca variation2839.3%41.1%
C44Inverted Hanham2832.1%41.1%
D15QGD Slav, Tolush-Geller gambit12227.9%41.0%
C40Latvian, Polerio variation2227.3%40.9%
A06Tennison (Lemberg, Zukertort) gambit2254.5%40.9%
D00Blackmar gambit21240.1%40.8%
B20Sicilian, wing gambit5950.8%40.7%
C31KGD, Falkbeer, Tartakower variation1656.3%40.6%
E24Nimzo-Indian, Saemisch, Botvinnik variation4835.4%40.6%
D48QGD semi-Slav, Meran214.8%40.5%
D90Gruenfeld, Schlechter variation2532.0%40.0%
C56Two knights defence, Canal variation540.0%40.0%
D00Blackmar-Diemer gambit3020.0%40.0%
C53Giuoco Piano, Anderssen variation2060.0%40.0%
A54Old Indian, Dus-Khotimirsky variation1020.0%40.0%
A61Benoni, Uhlmann variation19822.2%39.9%
A00Clemenz (Mead's, Basman's or de Klerk's) opening3729.7%39.2%
C58Two knights defence, Colman variation4129.3%39.0%
E03Catalan, open, Alekhine variation1822.2%38.9%
D31QGD, semi-Slav, Koomen variation955.6%38.9%
C13French, classical, Anderssen variation1330.8%38.5%
D44QGD semi-Slav, Ekstrom variation2646.2%38.5%
C22Centre game, Hall variation1752.9%38.2%
C39KGA, Kieseritsky, Salvio (Rosenthal) defence5547.3%38.2%
C39KGA, Kieseritsky, Paulsen defence825.0%37.5%
C32KGD, Falkbeer, 5.de1241.7%37.5%
C48Four knights, Spielmann variation475.0%37.5%
A28English, Bradley Beach variation5221.2%37.5%
D89Gruenfeld, exchange, Sokolsky variation850.0%37.5%
C21Halasz gambit825.0%37.5%
E08Catalan, closed, Zagoryansky variation475.0%37.5%
C15French, Winawer, Alekhine gambit425.0%37.5%
C21Danish gambit, Collijn defence475.0%37.5%
C44Scotch opening475.0%37.5%
A82Dutch, Staunton gambit11936.1%36.6%
C24Bishop's opening, Urusov gambit5431.5%36.1%
B62Sicilian, Richter-Rauzer, Podvebrady variation1850.0%36.1%
C39KGA, Kieseritsky, Berlin defence, 6.Bc44334.9%36.0%
B50Sicilian, wing gambit deferred2123.8%35.7%
B02Alekhine's defence, Brooklyn defence714.3%35.7%
C46Three knights, Steinitz, Rosenthal variation742.9%35.7%
C29Vienna gambit, Bardeleben variation742.9%35.7%
C20KP, Lopez opening1442.9%35.7%
D44QGD semi-Slav, anti-Meran, Szabo variation2420.8%35.4%
D64QGD, Orthodox defence, Rubinstein attack, Karlsbad variation2040.0%35.0%
B57Sicilian, Magnus Smith trap1050.0%35.0%
D31QGD, semi-Slav, Junge variation1030.0%35.0%
A00Grob's attack18643.5%34.7%
C33KGA, Keres (Mason-Steinitz) gambit1656.3%34.4%
C41Philidor, Nimzovich, Larobok variation5747.4%34.2%
C15French, Winawer, fingerslip variation3438.2%33.8%
C20KP, Patzer opening3627.8%33.3%
C44Scotch gambit, Anderssen (Paulsen, Suhle) counter-attack666.7%33.3%
B15Caro-Kann, Rasa-Studier gambit1216.7%33.3%
D21QGA, Ericson variation60.0%33.3%
C46Four knights, Schultze-Mueller gambit30.0%33.3%
D00Queen's pawn, Anti-Veresov366.7%33.3%
C29Vienna gambit, Steinitz variation633.3%33.3%
C19French, Winawer, advance, poisoned pawn, Euwe-Gligoric variation30.0%33.3%
A00Amar (Paris) opening1844.4%33.3%
C37KGA, Muzio gambit944.4%33.3%
C80Ruy Lopez, open, Berger variation366.7%33.3%
C96Ruy Lopez, closed, Rossolimo defence30.0%33.3%
D32QGD, Tarrasch defence, Tarrasch gambit944.4%33.3%
D68QGD, Orthodox defence, classical, 13.d1b1 (Maroczy)366.7%33.3%
C37KGA, Rosentreter gambit1250.0%33.3%
A43Hawk (Habichd) defence366.7%33.3%
C39KGA, Kieseritsky, long whip (Stockwhip, classical) defence633.3%33.3%
A00Anti-Borg (Desprez) opening30.0%33.3%
C42Petrov, classical attack, Krause variation944.4%33.3%
A00Grob, spike attack633.3%33.3%
C33KGA, bishop's gambit, classical defence30.0%33.3%
B41Sicilian, Kan, Maroczy bind - Bronstein variation2330.4%32.6%
C34King's knight's gambit1729.4%32.4%
C42Petrov, Cochrane gambit6518.5%32.3%
C38KGA, Philidor gambit1612.5%31.3%
A00Durkin's attack837.5%31.3%
C27Boden-Kieseritsky gambit4032.5%31.3%
C45Scotch, Blumenfeld attack1637.5%31.3%
C33KGA, bishop's gambit, Bledow variation5226.9%30.8%
E60King's Indian, 3.g3, counterthrust variation1330.8%30.8%
C27Boden-Kieseritsky gambit, Lichtenhein defence560.0%30.0%
A59Benko gambit, Ne2 variation520.0%30.0%
C65Ruy Lopez, Berlin defence, Mortimer variation1560.0%30.0%
C39KGA, Kieseritsky, Rice gambit1723.5%29.4%
C52Evans gambit, Richardson attack1936.8%28.9%
C37KGA, Blachly gambit2835.7%28.6%
B03Alekhine's defence, four pawns attack, Planinc variation728.6%28.6%
C38King's knight's gambit2339.1%28.3%
C00French, Steinitz attack911.1%27.8%
A84Dutch, Staunton gambit deferred955.6%27.8%
C37KGA, Quaade gambit933.3%27.8%
A00Grob, Fritz gambit5143.1%27.5%
A45Canard opening1338.5%26.9%
C24Bishop's opening, Ponziani gambit1323.1%26.9%
C80Ruy Lopez, open, Schlechter defence1931.6%26.3%
C41Philidor, Paulsen attack250.0%25.0%
C10French, Marshall variation250.0%25.0%
B06Norwegian defence250.0%25.0%
C52Evans gambit, Lasker defence825.0%25.0%
D19QGD Slav, Dutch, Saemisch variation250.0%25.0%
B00Corn stalk defence250.0%25.0%
C44Dresden opening40.0%25.0%
B07Pirc, Chinese variation250.0%25.0%
C52Evans gambit, Alapin-Steinitz variation250.0%25.0%
D50QGD, Been-Koomen variation650.0%25.0%
A03Mujannah opening450.0%25.0%
C23Bishop's opening, MacDonnell double gambit250.0%25.0%
C20KP, Mengarini's opening2040.0%25.0%
C20KP, King's head opening250.0%25.0%
C52Evans gambit, Levenfish variation616.7%25.0%
C84Ruy Lopez, closed, Basque gambit (North Spanish variation)250.0%25.0%
C33KGA, bishop's gambit, Boden defence450.0%25.0%
B03Alekhine's defence, four pawns attack, Ilyin-Genevsky var.742.9%21.4%
C58Two knights defence, Yankovich variation1241.7%20.8%
B02Alekhine's defence, Kmoch variation1020.0%20.0%
C88Ruy Lopez, closed, 7...d6, 8.d42030.0%20.0%
C12French, MacCutcheon, advance variation1526.7%20.0%
C33King's gambit accepted333.3%16.7%
E57Nimzo-Indian, 4.e3, main line with 8...dc and 9...cd333.3%16.7%
B02Alekhine's defence, Krejcik variation425.0%12.5%
C59Two knights defence, Goering variation425.0%12.5%
C51Evans gambit declined, Lange variation20.0%0.0%
C39KGA, Allgaier, Walker attack10.0%0.0%
C41Philidor, Steinitz variation20.0%0.0%
C25Vienna, Steinitz gambit10.0%0.0%
C30KGD, classical counter-gambit10.0%0.0%
A02Bird, From gambit, Lipke variation10.0%0.0%
A83Dutch, Staunton gambit, Nimzovich variation20.0%0.0%
C54Giuoco Piano, Therkatz-Herzog variation10.0%0.0%
C81Ruy Lopez, open, Howell attack, Adam variation20.0%0.0%
A00Amar gambit10.0%0.0%
C39KGA, Allgaier, Thorold variation10.0%0.0%
D26QGA, classical, Furman variation10.0%0.0%
C30KGD, classical, Soldatenkov variation10.0%0.0%
C67Ruy Lopez, Berlin defence, Pillsbury variation10.0%0.0%
C89Ruy Lopez, Marshall, main line, Spassky variation10.0%0.0%
C23Bishop's opening, Lisitsyn variation10.0%0.0%
B20Sicilian, wing gambit, Marienbad variation10.0%0.0%
C23Bishop's opening, Lopez gambit20.0%0.0%
D80Gruenfeld, Lundin variation10.0%0.0%
C95Ruy Lopez, closed, Breyer, 10.d410.0%0.0%
C44Ponziani counter-gambit, Cordel variation10.0%0.0%

Created in 2005-2013 by CCRL team
Last games added on June 18, 2018